Question
The diagram shows the sex chromosomes of a woman and of a man. Their genotypes for a recessive sex-linked condition are also shown.
What are the chances that their daughter will show the sex-linked condition?
A 0% B 25% C 50% D 75%
Answer/Explanation
Ans
C
Question
The diagram shows the inheritance of ABO blood groups. The blood groups of some of the
individuals are given.
What could be Priya’s genotype?
A IAIo B IBIB C IBIo D IoIo
Answer/Explanation
Ans
C
Question
The chart shows the inheritance of fur colour in a small mammal.
If the allele for white fur is dominant, which animal must be heterozygous for the gene controlling
fur colour?
Answer/Explanation
Ans
C
Question
The photomicrograph shows some red blood cells.
Answer/Explanation
Ans: A