In rabbits, the allele for black fur, b, is dominant over the allele for brown fur,
b. calculate the probability of a homozygous dominant (bb) offspring resulting from a cross between two parents with the genotype bb.
a 1
100
b 1
2
c 1
4
d 7
10

The correct answer would be C. 1/4

The genotype of both the parents is heterozygous that is, Bb.

So, both of them will produce two types of gametes one of which would contain B and the other one would contain b.

The cross would produce offspring with three possible types of genotypes; BB, Bb, and bb in the ratio 1:2:1.

The phenotype ratio would be 3(black): 1 (brown).

Thus, the probability of a homozygous dominant (BB) would be 1 out of 4.

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.