Question

Marriages between close relatives should be avoided because it induces more

• A. Recessive alleles to come together
• B. Mutations
• C. Multiple births
• D. Blood group abnormalities

Answer 1

The correct option is A Recessive alleles to come together

When marriage between close relatives occur, recessive genes present in the both parents come together in progeny and become active or dominant. It may lead to the occurrence of disorders like mental retardation or physically handicapped.

So, the correct option is ‘Recessive alleles to come together’.