CBSE Class 10 Answered
How does the amount of DNA remain constant through each new generation in a combination of DNA copies of two individuals.
Asked by gpnkumar0 | 14 Mar, 2018, 09:45: PM
Expert Answer
During sexual reproduction, the reproducing cells or germ cells have half the number (amount) of chromosomes and DNA as compared to somatic or body cells or non-reproducing cells. As the offspring receives one DNA copy from each parent, this complex mechanism helps to maintain the amount of DNA constant in an individual. If the DNA had to get doubled during sexual reproduction, then each generation would have double the amount of DNA content as compared to the previous generation. That is why the amount of DNA does not get doubled during sexual reproduction.
Answered by Sivanand Patnaik | 15 Mar, 2018, 09:37: AM
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