Without genetic variation, the mechanisms of evolutionary change will not occur. There are several sources of genetic variation within a breeding population: sexual reproduction, mutation, and gene flow. Specifically, sexual reproduction contributes to genetic variation and as a result, evolution, through recombination. Describe recombination and analyze how it contributes to genetic variability. Choose ALL that apply.
Responses
A During meiosis, homologous chromosome exchange pieces of genetic information via recombination.During meiosis, homologous chromosome exchange pieces of genetic information via recombination.
B Recombination creates new combination of genes that did not exist before.Recombination creates new combination of genes that did not exist before.
C Recombination creates daughter cells with the haploid chromosome number.Recombination creates daughter cells with the haploid chromosome number.
D Chromosomes post-recombination are not identical to either parent’s genetic information.Chromosomes post-recombination are not identical to either parent’s genetic information.
E Meiosis is preceded by DNA recombination of chromosomes in the nucleus of the mother cell which results in genetic mutations.
A. During meiosis, homologous chromosome exchange pieces of genetic information via recombination.
B. Recombination creates new combination of genes that did not exist before.
D. Chromosomes post-recombination are not identical to either parent’s genetic information.
E. Meiosis is preceded by DNA recombination of chromosomes in the nucleus of the mother cell which results in genetic mutations.