the investigator meiosis. it’s a robbery!!! crime scene do not cross crime scene do not cross...

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The Investigator The Investigator Meiosis

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Page 1: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

The InvestigatorThe InvestigatorMeiosis

Page 2: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

It’s a Robbery!!!It’s a Robbery!!!

CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO

CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO

Someone has cracked the safe at the home of Ali Bye!

Are you smart enough to catch the thief?

Page 3: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

The Suspects and MethodsThe Suspects and Methods

Dewey CheatumDewey

CheatumSandy

BeechesSandy

BeechesAnita

HugginkissAnita

HugginkissCraven

SumfoodCraven

SumfoodIma B. Utiful

Ima B. Utiful

Seymour Money

Seymour Money

PencilPencil BackpackBackpack False PapersFalse Papers Bank InsiderBank Insider ShovelShovel InternetInternet

Page 4: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Get A ClueGet A Clue

2019181716

1514131211

109876

54321

4039383736

3534333231

3029282726

2524232221

Select a question by clicking on a number.Answer it correctly to obtain valuable clues to solve the mystery.

Page 5: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Meiosis results in 4 ________ .Meiosis results in 4 ________ .

Diploid Cells Haploid Cells

Page 6: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

This is the exchange of genetics This is the exchange of genetics information between information between homologous chromosomes homologous chromosomes

Crossing Over Divisions

Page 7: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Crossing over takes place Crossing over takes place during this part of Meiosis during this part of Meiosis

Meiosis I Meiosis II

Page 8: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Gametes are ________ to help Gametes are ________ to help organisms maintain a constant organisms maintain a constant chromosome numberchromosome number

DiploidHaploid

Page 9: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

How many times does How many times does cytokinesis occur during the cytokinesis occur during the whole process of meiosis? whole process of meiosis?

1 2

Page 10: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

After meiosis, how does the # of After meiosis, how does the # of chromosomes in the cells chromosomes in the cells compare to the parent cell? compare to the parent cell?

Same Different

Page 11: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

One chromosome of a matched One chromosome of a matched pair is called a _______.pair is called a _______.

Sister chromatid Homolog

Page 12: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Two chromosomes that are alike Two chromosomes that are alike in shape, size, etc… in shape, size, etc…

Homologous Pairs Sister chromatids

Page 13: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

What is a the term for a fertilized What is a the term for a fertilized egg? egg?

Byah Zygote

Page 14: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

If a cell has 18 chromosomes If a cell has 18 chromosomes before mitosis, how many before mitosis, how many chromosomes will each chromosomes will each daughter cell have? daughter cell have?

18 9

Page 15: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

What are chromosomes made What are chromosomes made of?of?

DNA RNA

Page 16: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Homologous pairs of Homologous pairs of chromosomes are found in chromosomes are found in these cells these cells

Diploid – 2n Haploid – 1n

Page 17: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

If the haploid # of a cell is 4, how If the haploid # of a cell is 4, how many chromosomes are found many chromosomes are found in the organisms body cells?in the organisms body cells?

8 4

Page 18: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

How many chromosomes are How many chromosomes are found in human sperm & egg found in human sperm & egg cells? cells?

23 46

Page 19: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Gametes are made by this Gametes are made by this process? process?

Meiosis Mitosis

Page 20: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Which cell is an example of a Which cell is an example of a haploid cell?haploid cell?

Muscle cell Sperm cell

Page 21: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Sister chromatids separate at Sister chromatids separate at this phase… this phase…

Anaphase I Anaphase II

Page 22: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

How many egg cells are made How many egg cells are made through meiosis? through meiosis?

4 1

Page 23: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

These cells are formed by These cells are formed by meiosis in females that are meiosis in females that are broken down broken down

Polar bodies Eggs

Page 24: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

The exchange of corresponding The exchange of corresponding DNA segments is called DNA segments is called

Crossing over Fertilization

Page 25: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

This type of reproduction is This type of reproduction is the reason we need meiosis the reason we need meiosis to take place to take place

Asexual Reproduction Sexual Reproduction

Page 26: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Which human cells have 23 Which human cells have 23 chromosomes each?chromosomes each?

Eggs & SpermMuscle cells and

Nerve Cells

Page 27: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Cytokinesis occurs during Cytokinesis occurs during metaphase IImetaphase II

True False

Page 28: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Homologous pairs are alike in Homologous pairs are alike in shape and sizeshape and size

True False

Page 29: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Meiosis produces four nuclei Meiosis produces four nuclei that have a different that have a different chromosome number from the chromosome number from the original cell’s nucleus original cell’s nucleus

True False

Page 30: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Gametes are diploid Gametes are diploid so that when so that when fertilization occurs, the resulting fertilization occurs, the resulting offspring will have the same number offspring will have the same number of chromosomes as the parentof chromosomes as the parent

True False

Page 31: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Crossing over takes place Crossing over takes place between homologous between homologous chromosomeschromosomes

True False

Page 32: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Polar bodies are created in Polar bodies are created in females during meiosis females during meiosis

True False

Page 33: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Normal human body cells Normal human body cells contain 48 chromosomes contain 48 chromosomes

True False

Page 34: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Diploid number 10…Haploid Diploid number 10…Haploid number will be _____number will be _____

5 20

Page 35: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Haploid number is 4…Diploid Haploid number is 4…Diploid number is _____.number is _____.

4 8

Page 36: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Coiled up strands of DNA are Coiled up strands of DNA are called….called….

Narsnoctocows Chromosomes

Page 37: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Zygotes are another name for…. Zygotes are another name for….

Fertilized eggs Space aliens

Page 38: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

1n =1n =

Haploid Diploid

Page 39: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Stage that cells spend most of Stage that cells spend most of their life in their life in

Interphase Prophase

Page 40: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Which is an example of an Which is an example of an somatic cell? somatic cell?

Nerve Cell Sperm Cell

Page 41: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Which is an example of a Which is an example of a gamete? gamete?

Muscle cell Egg Cell

Page 42: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Sister Chromatids pull apart Sister Chromatids pull apart during during

Anaphase II Prophase II

Page 43: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Diversity and variation is possible Diversity and variation is possible because of…..because of…..

Asexual reproduction Sexual Reproduction

Page 44: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Mitosis reduces the number of Mitosis reduces the number of chromosomes in a cell chromosomes in a cell

True False

Page 45: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Jolly Good!Jolly Good!

You’ve earned a clue. Tell the inspector who you think is the guilty culprit by clicking on a name.

Dewey Cheatum

Anita Hugginkiss

Seymour Money

Craven Sumfood

Sandy Beeches

Ima B. U

tiful

Page 46: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

The Culprit Just Slipped Past The Culprit Just Slipped Past You!You!

You missed your opportunity to catch the thief! Click on the fingerprint to try again.

Page 47: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Dewey CheatumDewey Cheatum

PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper

An Inside Helper

ShovelShovel InternetInternet

Click on the method you think he used

Page 48: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Anita HugginkissAnita Hugginkiss

Click on the method you think she used

PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper

An Inside Helper

ShovelShovel InternetInternet

Page 49: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Seymour MoneySeymour Money

Click on the method you think he used

PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper

An Inside Helper

ShovelShovel InternetInternet

Page 50: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Craven SumfoodCraven Sumfood

Click on the method you think he used

PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper

An Inside Helper

ShovelShovel InternetInternet

Page 51: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Sandy BeechesSandy Beeches

Click on the method you think she used

PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper

An Inside Helper

ShovelShovel InternetInternet

Page 52: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

Ima B. UtifulIma B. Utiful

Click on the method you think she used

PencilPencil BackpackBackpack False PapersFalse Papers An Inside Helper

An Inside Helper

ShovelShovel InternetInternet

Page 53: The Investigator Meiosis. It’s a Robbery!!! CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO NOT CROSS CRIME SCENE DO Someone has cracked

You’ve Solved the Case!You’ve Solved the Case!

Congratulations! You’re a super sleuth!