Homozygous condition for a particular trait exists when

2-alleles for a trait are identical

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2- alleles for a trait are different

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When X and Y chromosomes pair up

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Genes of all chromosomes are identical

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Solution

The correct option is A
2-alleles for a trait are identical

Homozygous condition for a particular trait exists when 2-alleles for a trait are identical. Eg; TT, bb, RR, rr etc

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Similar questions

......................... chromosomes are chromosomes that contains alleles for different genes.

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