grade 9 - chromosomal basis of inheritance
DESCRIPTION
PDF fileTRANSCRIPT
![Page 1: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/1.jpg)
![Page 2: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/2.jpg)
![Page 3: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/3.jpg)
![Page 4: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/4.jpg)
![Page 5: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/5.jpg)
Part of the body/Trait Appearance
Type of hair StraightWavy or kinky
hair
Earlobes Attached Unattached
Color of the
skinLight or fair Dark
Hairline StraightWith widow’s
peak
Dimples With dimplesWithout
dimples
HandednessRight
handedness
Left
handedness
Nose High-bridged Low-bridged
![Page 6: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/6.jpg)
![Page 7: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/7.jpg)
![Page 8: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/8.jpg)
How is the number of
chromosomes
maintained?
How are genes
organized?
How is a chromosome structurally designed to perform its functions?
![Page 9: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/9.jpg)
Grade 7 and 8 Biology
![Page 10: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/10.jpg)
Where are the chromosomes
found in a eukaryotic cell?
Chromosomes are made up of
what substances?
How will you describe the structure
of a chromosome in cells at
interphase stage?
During cell division, what happens
to the structure of chromosomes?
![Page 11: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/11.jpg)
After mitosis, the 2 daughter cells
contains how many chromosomes?
After meiosis, the 4 daughter cells
contains how many chromosomes?
The single-stranded chromosome will
become double-stranded during what
phase of cell division?
![Page 12: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/12.jpg)
In what type of cells does mitosis
occur ?DIPLOID [2N]
In what type of cells does meiosis
occur ?HAPLOID [N]
![Page 13: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/13.jpg)
![Page 14: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/14.jpg)
Storage 1
Expression of
Characters2
Transmit Information 3
Variation 4
![Page 15: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/15.jpg)
![Page 16: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/16.jpg)
“Cyto”kinesis
Interphase
“Karyo”kinesis
![Page 17: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/17.jpg)
![Page 18: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/18.jpg)
p arm
centromere
q arm
telomere
Sister chromatids
![Page 19: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/19.jpg)
Is this chromosome threadlike or rod-shaped?
Is this chromosome single-strandedor double-stranded?
Where is the centromere of the chromosome?
![Page 20: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/20.jpg)
![Page 21: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/21.jpg)
[1] Protein[2] Nucleic Acid
HISTONE
Deoxyribonucleic
Acid
![Page 22: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/22.jpg)
![Page 23: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/23.jpg)
![Page 24: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/24.jpg)
![Page 25: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/25.jpg)
![Page 26: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/26.jpg)
Complete the labels for complementary polynucleotide.
![Page 27: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/27.jpg)
![Page 28: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/28.jpg)
![Page 29: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/29.jpg)
![Page 30: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/30.jpg)
![Page 31: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/31.jpg)
![Page 32: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/32.jpg)
![Page 33: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/33.jpg)
![Page 34: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/34.jpg)
![Page 35: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/35.jpg)
GENE?[structure?]
![Page 36: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/36.jpg)
[3000 base pairs][3.2 billion
Nitrogenous Base]
![Page 37: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/37.jpg)
Gene
Production of building
blocks
Production of Melanin
Amylase
Synthesis of Hemoglobin
![Page 38: Grade 9 - Chromosomal basis of inheritance](https://reader034.vdocuments.net/reader034/viewer/2022052618/5549855fb4c90582588b4f56/html5/thumbnails/38.jpg)
Scientific breakthrough inspire us to explore the possibilities
of finding applications that can ultimately benefit people.
What are the practical
applications of
understanding chromosome number and gene functions?
Science and
Technology 9,
Page 77-78