Answer:
<h2>Genetic abnormality</h2>
Explanation:
The genetic disease in which (i) the 23rd pair of chromosomes is always involved, (ii) there are always two chromosomes that comprise the 23rd pair, and (iii) there is always something wrong with one or both of the chromosomes is called a Genetic abnormality.
A genetic abnormality is happens by one or more abnormalities in the genome. It can be occurred by a mutation in a single gene or multiple genes or by a chromosomal abnormality.
Answer: The correct answer is B) 23 in males.
In human beings, 23rd pair of chromosome, which is also called sex chromosomes is different amongst males.
It is XY in males whereas it is same in females that is XX.
23rd is the only homologous pair that is different in males as the presence of Y chromosomes determines the male sex. Chromosome pair 1- 22 are same in both males and females and are called autosomes.
