Question

Regarding the assertion and reason, select the correct option.

Assertion [A]: A pair of different and contrasting form of genes are known as alleles.
Reason [R]: Generally, a gene has two alleles.

• A. Both A and R are true and R explains A
• B. Both A and R are true, but R does not explain A
• C. A is true and R is false
• D. Both A and R are false

Answer 1

The correct option is A Both A and R are true and R explains A

The genes have two alleles, a dominant allele and a recessive allele which are contrasting types of the same character. For instance, the tall and dwarf are the contrasting types of the character, height.