Question

What are chromosomes ?Explaun how in sexually reoriducing orfanisms the number if chrimisomes in the prigeny?

Answer 1

chromosomes are condensed coiled chromatin fibres during reproductive only one member of gamete is passed so that normal diploid is maintain

Answer 2

Chromosomes are thread-like structures, made of proteins and DNA, found in the nucleus at the time of cell division.

In sexually reproducing organisms, the gametes undergo meiosis, and hence, each gamete contains only half a set of chromosomes. When two gametes fuse, the zygote formed contains the full set of chromosomes. Hence, the formation of gametes by meiosis helps to maintain the number of chromosomes in the progeny.

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