If individual 1 has blue eyes, genotypes of her parents could be (Grade 12)

Attachment asks for

1. If individual 1 has blue eyes, genotypes of her parents could be
a) XXbb mother and XrgYGb father
b) XXrg Gb mother and XXBb father
c) XXrgGG mother and XYbb father
d) XXrgGb mother and XrgYBB father

2. What is the probability of obtaining a vertically striped cat from the P1 cross of SsTt x SsTT?
a) 9/16
b) 3/16
c) 3/4
d) 1/4

3. In cattle, polled (P) or hornless is dominant over the horned (p) condition. This is an autosomal trait. The semen of a polled bull is used to artificially inseminate three cows. Cow 1 (horned) produces a horned calf. Cow 2 (polled) produces a horned calf. Cow 3 (polled) produces a polled calf. Which of the cattle must have a heterozygous genotype for this trait?
a) The polled bull and cow 2
b) Cow 2 and calf 2
c) Cow 3 and calf 3
d) The polled bull and cow 1

4. Which of the above cattle could have two possible genotypes?
a) Cow 1
b) Cow 2
c) Cow 3
d) The polled bull