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Management of Natural Resources
Question
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Do all variations survive?

Answer

No, variations do not survive. Variations that are not suitable or advantageous to the organism in the prevailing environmental conditions are not maintained. Environmental factors act on these variants and the variant most suited to the existing environment would survive.

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Some More Questions From Management of Natural Resources Chapter

What do you mean by the following terms: Homozygote, Heterozygote?

What do you mean by the following terms: Dominant, Recessive?

What do you mean by the following terms: Codominant, Genotype, Phenotype?

Define the term Offspring.

What are reciprocal crosses?

Explain the terms: Monohybrid cross, Dihybrid cross, Monohybrid ratio and Dihybrid ratio.

State Mendel’s (a) Law of segregation (b) Law of independent assortment.

Explain the terms: (a) Hybrid (b) Test cross (c) Back cross.

What is pure line?

Why did Mendel choose garden pea for his experiments? How did he make sure that the parent plants were true–breeding?