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1. Ifa species of flower has the allele R (red) which is incompletelydominant to the allele r (white) what color is the genotype of anindividual with a red flower? Choose as many as areappropriate. (Points: 2) RR
Rr
rr
R
r

2. A gene can be defined as... (Points :2)
alternateforms of the DNA for a trait
geneticcombination that determines the observable form of a trait
partof the DNA that codes for a specific protein
theobservable form of a trait

3. A homozygote is an individual in which(Points : 2)
allelesof the gene pair are different
allelesof the gene pair are identical
genesare homolgous
traitsare passed from parents to progeny

4. Which of the following might be aphenotype? (Points : 2)
A
Aa
pinkflowers
AaDd

5. What does "F2 generation" refer to? (Points: 2)
theparents
theoffspring of the parental generation
theoffspring of crossing the F1 generation with itself
theoffspring of crossing the F1 generation with the parentalgeneration

6. Which of the following genotypes isheterozygous? (Points : 2)
Aa
AABB
A
a

7. Which statement best describes a dominantallele? (Points : 2)
theallele expressed in the homozygote
theallele expressed in the heterozygote
theallele that is most common in the population
theallele that is lethal

8. In a monohybrid cross, if genotype AA iscrossed with genotype aa what will the ratio of genotypes be?(Points : 2)
0AA:1 Aa:0 aa
1AA:2 Aa:1 aa
1AA: 1 aa
1AA:1 Aa:1 aa

9. Leaf color is controlled by 2 alleles whereA (green) is dominant to a (yellow). Leaf shape is controlled by 2alleles where B (round) is dominant to b (heart-shaped). If oneparent's genotype is AABB what is its phenotype? (Points : 2)
green,round leaves
green,heart-shaped leaves
yellow,round leaves
yellow,heart-shaped leaves

10. Leaf color is controlled by 2 alleleswhere A (green) is dominant to a (yellow). Leaf shape is controlledby 2 alleles where B (round) is dominant to b (heart-shaped). Ifthe genotype AaBb is crossed with the genotype AaBb what will theratio of phenotypes be? (Points : 3)
1green, round: 1 green, heart: 1 yellow, round: 1 yellow,heart
1green, round: 2 green , heart: 2 yellow, round: 1 yellow,heart
9green, round: 3 green, heart: 3 yellow, round: 1 yellow,heart
9AABB: 3 Aabb: 3 aaBb: 1 aabb

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Tod Thiel
Tod ThielLv2
28 Sep 2019

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