Bright Tutorials Bright Tutorials
ICSE Class 10 Biology Question 10 of 11

Genetics — Some Basic Fundamentals — Question 1

Back to all questions
1
Question

Question 1

In a certain species of animals, black fur (B) is dominant over brown fur (b). Predict the genotype and phenotype of the offspring, when both parents are 'Bb' or have heterozygous black fur.

Answer
In a certain species of animals, black fur (B) is dominant over brown fur (b). Predict the genotype and phenotype of the offspring, when both parents are 'Bb' or have heterozygous black fur. Genetics, Concise Biology Solutions ICSE Class 10.
Bb
BBBBb
bBbbb

In the question it is given that B refers to black fur and b refers to brown fur. So the genotype and phenotype of the offspring will be:

Genotype — 1 (Homozygous Black Fur) : 2 (Heterozygous Black Fur) : 1 (Homozygous Brown Fur)

Phenotype — 3 (Black Fur): 1 (Brown Fur)