Agenda• Quick reading quiz• Review vocab quiz• Four corners• Practice Quiz• Review time (try to do the pedigree! Review old homework,

ppts, quiz each other)• If finished early (Start researching genetic disorder)

• Quiz Monday• Ac Lab today in library – sign up in front

4 Corners

• Each corner of the room represents one answer choice

• When a question is read, go to the corner of the room you feel is the correct answer

• If not sure, go to the middle and let people persuade you

1. These individuals will always have offspring identical to them

A. Homozygous dominant

B. Heterozygous

C. Homozygous recessive

D. A and C

2. Two wavy-haired parents (Ss) will have

A. All wavy-haired children

B. Straight and curly haired children

C. Straight and wavy haired children

D. Straight, curly and wavy haired children

3. A parent with what blood type cannot have a child with type O?

A. A

B. B

C. AB

D. O

4. You have type A blood. Your child could have

A. Type A blood only

B. Type A blood or type AB blood

C. Type A blood or type O blood

D. Any blood type

5. Sister chromatids are

A. Similar chromosomes inherited from each parent

B. What determine a child’s sex

C. Made when DNA is copied

D. Different versions of a chromosome

6. All 10 of the boys in a very large family are color blind. Odds are

A. Dad is also color blind

B. Mom is also color blind

C. Dad and Mom are both color blind

D. Half of their sisters are color blind

7. A koala has 16 chromosomes. A male Koala can make ___ genetically

unique sperm cellsA. 8

B. 2^8

C. 2^16

D. 2^32

8. A human egg cell will haveA. 22 pairs of homologous chromosomes an 2 X

chromosomes

B. 22 autosomal chromosomes and an X chromosome

C. 22 pairs of homologous chromosomes an an X or Y chromosome

D. 44 chromosomes and an X chromosome

9. Dominant alleles

A. Are more common in the population

B. Are more likely to be passed on

C. Are expressed if present

D. Are usually passed on together

10. Continuous traits

A. Cannot be genetic

B. Follow incomplete dominance

C. Follow co-dominance

D. Are usually polygenic