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Which is a false statement for variation...

Which is a false statement for variation ? a.All the variations in a species provide equal opportunity for survival. b.Very few variations are generated in asexual reproduction. c.Variations selected by the environmental factors cause the occurrence of evolution. d.The change in the genetic material (DNA) results in variation.

A

All the variations in a species provide equal opportunity for survival.

B

Very few variations are generated in asexual reproduction.

C

Variations selected by the environmental factors cause the occurrence of evolution.

D

The change in the genetic material (DNA) results in variation.

Text Solution

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The correct Answer is:
A, B, C, D
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Which of the following statement is true for variation in organisms? (1) The occurrence of differences among the individuals of the same species is known as variation. (2) Variations decrease the possibilities of survival. (3) The process of evolution decreases the variation in organisms. ( 4) During meiosis, crossing over takes place between the genes and hence, new combinations are formed, which ultimately results in producing variations.

Product of sexual reproduction generally generates (A) longer viability of seeds (B) prolonged dormancy (C) new genetic combination leading to variation (D) large biomass

Variation is observed more in the offsprings through sexual produced reproduction, because ………………..... a.Sexual reproduction is a long and complicated process. b.genetic material of two parents of different species is inherited in offspring. c.genetic material of two parents of same species is inherited in offspring. d.genetic material in the offspring is double than that in the parent.

Product of sexual reproduction generally generates (A) Prolonged dormancy (B) New genetic combination leading to variation (C) Large biomass (D) Longer viability

Find mismatched pair. (a) Gene flow - Bound to happen between population of two different species. (b) Genetic drift - Frequency of certain genes in a population changed over generation. (c) Genetical variation - Inherited trait (d) Gene - An informative section of DNA for protein

Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because. (A) Sexual reproduction is a lengthy process. (B) Gametes of parents have qualitatively different genetic composition. (C) Genetic material comes from parents of two different species. (D) Greater amount of DNA is involved in sexual reproduction.

KUMAR PRAKASHAN-HEREDITY AND EVOLUTION-OBJECTIVE QUESTIONS AND ANSWERS
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