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Question
Occurrence of non-beneficial alleles in heterozygous genotype is
Occurrence of non-beneficial alleles in heterozygous genotype is
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Solution
The correct option is C Genetic load
Mutations sometimes produce lethal traits which persist in the heterozygous genotype. Collection of such alleles in the population is called genetic load. It decreases fitness of the population.
Genetic drift is change in gene frequency due to chance. It operates in a small population.
Gene flow is the movement of alleles from one population to another.
Selection is a process in which beneficial genes are selected.
Hence the correct option is
a. Genetic load
Mutations sometimes produce lethal traits which persist in the heterozygous genotype. Collection of such alleles in the population is called genetic load. It decreases fitness of the population.
Genetic drift is change in gene frequency due to chance. It operates in a small population.
Gene flow is the movement of alleles from one population to another.
Selection is a process in which beneficial genes are selected.
Hence the correct option is
a. Genetic load
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