A fruit fly heterozygous for sex-linked genes, is mated with normal femal fruit fly. Malespecific ch

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A fruit fly heterozygous for sex-linked genes, is mated with normal femal fruit fly. Malespecific chromosome will enter egg cell in the proportion

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Genes which are present on sex chromosome are called sex linked genes. Male Drosophila contains XY sex chromosome while female contains XX-chromosomes, During gamete formation male produces 50 % male specific gametes female produces only one type of gametes ie, female specific. As male produces two types of gametes in equal proportion. There is an equal opportunity to getting a male or female offspring.

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