W
wm07
Guest
In humans, brown hair (B) is dominant over blond (b). A brown haired man marries a blond haired woman and they have three children, two of whom are brown haired and one of whom is blond.If the man has brown hair, but has a blond child what must his genotype be?
A) BB
B) Bb
C) bb
D) none of these
If blond is recessive, what must the woman’s genotype be?
A) BB
B) Bb
C) bb
D) none of these
What are the genotypes of the children?
A) BB and Bb
B) Bb and bb
C) BB
D) Bb
E) bb
A) BB
B) Bb
C) bb
D) none of these
If blond is recessive, what must the woman’s genotype be?
A) BB
B) Bb
C) bb
D) none of these
What are the genotypes of the children?
A) BB and Bb
B) Bb and bb
C) BB
D) Bb
E) bb