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Heredity and Evolution — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceHeredity and Evolution3 Marks
Question
What role does sexual reproduction play in evolution?
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Answer

In sexual reproduction the offspring formed will not be exactly similar to the parent. The progeny formed will undergo various modification in his body according to the environment and when this progeny develops into an adult he will have many evolved characters which are not present in his parents. He when reproduces sexually then his offspring will undergo more modification and adapt to the environment. In this way sexual reproduction helps in evolution. This is the basis to Daltons theory of evolution.

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