2. 2. A couple has 6 children, all girls. If the mother gives birth to a seventh child, hat is the probability that seventh child will be a girl? a. 6/7
b. 1/128 c. 1⁄2
d. 1

3. A man who has a Y-linked recessive disease will pass the disease to
a. all of his daughter
b. All of his son
c. Haf of his sons
d. Half of his daughter

4. Yellow flower color is dominant over blue. A plant with yellow flower was crossed with a blue flowered plant 3 times. All of the offspring from first and second cross were yellow, while on the third cross one of the offspring was blue flowered. Determine the genotype of the parents (both)