Heredity and Evolution
6 Board Biology previous year questions on Heredity and Evolution — options free on every question; 1 include the answer & explanation free, the rest unlock with PYQ Pass.
What is the meaning of atavism ?
Inheritance of ancestral characteristics in progeny, which are not in parents.
Answer: C — Inheritance of ancestral characteristics in progeny, which are not in parents ✅
Explanation:
Atavism occurs when traits of distant ancestors reappear in a descendant, even though they are absent in the parents.
Example: occasional birth of a tail in humans.
In which of the following plants did Mendel perform his experiments?
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Which plant did Mendel choose for his experiment?
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The genetic structure of an organism is called
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Who proposed the theory of organic evolution by natural selection ?
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The human gamete contains........number of sex chromosomes.
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