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In the first analysis, all of the f1 flies from the students’ crosses have the identical phenotype with respect to body color and wing shape, but the f2 flies have four different phenotypes. Describe how fertilization contributes to this genetic variability.

Respuesta :

Fertilization contributes to genetic variability through recombination of gene.

What is Fertilization?

Fertilization is the process in which gametes combines to form a zygote.

During fertilization, gametes combines to produce different phenotypes in the offspring.

The phenotype is dependent on genetic combinations.

What is Recombination?

Recombination is a process of creating new gene combination in the gametes, this occur dues to exchange of genetic material among the gametes during meiosis I.

  • Recombination results into different genetic combinations in each gametes leading to genetic variation in a given population.

Therefore, fertilization contributes to observable genetic variations in a population.

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