How does artificial selection cause rapid changes in the phenotypes of organisms? A. By selecting dominant genotypes
B. By changing the number of
chromosomes
C. By changing the frequency of alleles and
selecting new combinations of traits
D. By stimulating the species to increase
the production of new mutants

A. By selecting dominant genotypes

Explanation:

Artificial selection or selective breeding can be defined as the induced breeding process in which humans select parents of plants and animals that have desired traits that are beneficial for them to produce offspring that have characteristics of both parents and they are of improved yield and quality. This brings the change in the phenotypes of the offspring as compared to the parents. As the passage of dominant desirable traits in the genotype from either of the parent when gets expressed then the phenotype of the organism also change.

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answer: b. nucleolus

explanation: nucleolus is a structure in the nucleus are ribosomes are made.

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