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Blood type problems: (In all cases show evidence using Punnet squares) Could a m

ID: 176040 • Letter: B

Question

Blood type problems: (In all cases show evidence using Punnet squares) Could a man with type B blood and a woman with type AB produce a child with type O blood? What if the mother is type O and the father is A? What would the offspring's blood type be? If the mother of a child is blood type O and the child is A. what blood type would the father be? A woman is trying to figure out what blood type the father of her son could have. Both the woman and her son arc type A. The woman's brother is type O and her mom is A.

Explanation / Answer

Answer:

1). O type blood is not possible

IBi (B)   x IAIB (AB)---Parents

IA

IB

IB

IA IB (AB)

IBIB (B)

i

IA I (A)

IB I (B)

2). Only type A & O blood is possible

ii (mother) x (Father) IAi -----Parents

IAi (A) and ii (O)

3).

If the child is heterozygous type A (IAi) and the mother is with type O blood, then the father would be either type A or type B blood.

4).

Woman’s brother is type O and her mom is A means, the woman is heterozygous for A type blood. The child is A type means, the father belongs to type A or B or O or AB.

IA

IB

IB

IA IB (AB)

IBIB (B)

i

IA I (A)

IB I (B)