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10 Nov 2021

***Please see the attached file for the complete details***

Punnett squares

3. Blood type is controlled by 3 genes A, B, ard O, as shown in the chart. With blood type, capitals are always used. A & B are both dominant over O.

A female with blood type A (genotype BO) marries a male with blood type B (genotype BO). All in the Punnett square to show this cross.

 

Questions:

List all the possible blood types (phenotypes) that their children could have.

What are the chances of their children having blood type A?

What are the chances of their children having blood type B?

Whet are the chances of their children having blood type AB?

What are the chances of their children having blood type O?

 

4. Fillin the Punnett square for the following questions.

a. If two people with blood type O were to marry, what would be the chances of their having children with blood type A?

b. What would be the chances of these parents-to-be hasang criatren math blood type of

 

5. In guinea pigs, the fur color is black for cominant (B) and white is recessive (b). If a hybrid male (Bb) is crossed with a hybrid female.

 

a. what is the probability that an offspring would be black?

b. white?