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How is the equal genetic contribution of male and female parents ensured in the progeny?

How is the equal genetic contribution of male and female parents ensured in the progeny?

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 6228 Points
2 months ago
Genetically organisms are of types (i) Haploid : They have single set of chromosomes, where each chromosome is represented singly. As the chromosomes are the bearer of genes so haploids have single set of genes. A single gene determines the expression of character. (ii) Diploid : ‘They have two sets Of homologous chromosomes, where the chromosome occur in pair, one maternal contributed by the mother through her ovum and the second Of the pair is contributed by the male parent through his sperm. The resultant cell zygote produces by the fusion of male and female gametes have two sets of chromosomes – each set contributed’ by each parent. In diploids a character is controlled by two genes/factors. Both the father and mother contribute practically equal amount of genetic material to the child. It means that each trait can be influenced by both paternal and maternal DNA.

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