A man of blood type A and a woman of blood type B have four children, each with

Question

A man of blood type A and a woman of blood type B have four children, each with different ABO blood type. The genotype of the man is _____ and the genotype of the woman is______.

b) I^A/ I^A and I^B/i

c)I ^A/i and I^B/I^B

d)I ^A/i and I^B/i

e) i/i and I^B/ I^B

Queen victoria was a carrier of hemophilia. Her granddaughter Alexandra married Nicholas 2. Nicholas was normal. Their son, Tsarevich Alexis was afflicted with the disease. Tsarevich Alexis also had four sisters. It is likely that:

a) all 4 sisters were fully normal with regard to hemophilia

b) one or more of the sisters may have been a carrier

c)all of the sisters were carriers

d)one or more sisters may have had hemophilia

e) all of the sisters had hemophilia

Explanation / Answer

* option d) IAi and IBi

* option a) all 4 sisters were fully normal with regard to hemophilia

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.