Question

test cross
remember, the female on the left should have white fur and the male should have black fur. their offspring should have a 50:50 split between black and white fur. hint: start by figuring out the females genotype. then adjust the males genotype until you get a 50:50 split in fur color among the offspring.
genotype of the female:
√ bb
complete
genotype of the male:
offspring percentages.

Explanation:

Step1: Analyze given information

The female has white - fur and is homozygous recessive (bb) as white fur is the recessive trait. We need a 50:50 split of black and white fur in offspring.

Step2: Set up Punnett - square logic

Let the male's genotype be Bx. When crossed with bb (female), we want half Bb (black - fur) and half bb (white - fur) offspring. If the male is Bb, the cross is Bb×bb.

Step3: Calculate offspring genotypes

Using a Punnett - square for Bb×bb:

	b	b
b	bb	bb

The genotypes of the offspring are Bb and bb in a 1:1 ratio, which gives a 50:50 split in fur color.

Answer:

Bb