Multiple Choice
Hair color is influenced by the amount, size, and distribution of which of the following?
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22. Evolution of Populations
Genetics and Allele Frequencies
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When all the alleles in a population are considered together, independently of the individuals they come from, we call that the ___________.
A
Genotype.
B
Gene pool.
C
Phenotype.
D
Mendelian genetics.
Verified step by step guidance1
Begin by understanding the concept of alleles. Alleles are different forms of a gene that can exist at a specific locus on a chromosome.
Next, consider what it means to look at alleles in a population. This involves examining all the genetic variations present in the population, not just in individual organisms.
The term 'gene pool' refers to the complete set of genetic information within a population, encompassing all alleles for every gene present.
Contrast this with 'genotype,' which refers to the genetic makeup of an individual organism, and 'phenotype,' which is the observable characteristics of an organism resulting from its genotype.
Mendelian genetics is a framework for understanding how traits are inherited through alleles, but it does not specifically refer to the collective alleles in a population. Therefore, the correct term for all alleles in a population is 'gene pool.'
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