Question

Fill up the blanks in the following paragraph by selecting the correct option.
Inbreeding increases (i). Thus inbreeding is necessary if we want to evolve a (ii) in any animal. Inbreeding exposes harmful (iii) genes that are eliminated by selection.

• A. (i) heterozygosity, (ii) pure line, (iii) dominant
• B. (i) heterozygosity, (ii) breed, (iii) recessive
• C. (i) homozygosity, (ii) pure line, (iii) recessive
• D. (i) homozygosity, (ii) breed, (iii) dominant

Answer 1

The correct option is C (i) homozygosity, (ii) pure line, (iii) recessive

Inbreeding refers to the mating of more closely related individuals within in the same breed for upto 4-6 generations. Inbreeding increases homozygosity (i). Thus inbreeding is necessary if we want to evolve a pure line (ii) in any animal. Inbreeding exposes harmful recessive (iii) genes that are eliminated by selection.

So, the correct option is 'Option C' .