AP BIOLOGY

EVOLUTION

HARDY WEINBERG EQUILIBRIUM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In a diploid species, each individual possesses
A
all the alleles found in the gene pool
B
three or more alleles for each locus
C
two alleles for each locus
D
one allele for each locus
Explanation: 

Detailed explanation-1: -In diploid species, there are two alleles for each trait or gene in each pair of chromosomes in the same location, or locus. One is coming from the father and the other from the mother. An allele is one of two or more alternative forms of a gene, and are found at the same place on chromosomes.

Detailed explanation-2: -A diploid individual has two copies of every gene, but these two copies (alleles) can be slightly different. Each allele codes for a variant of a characteristic. Fur color can act as a good example to think about alleles.

Detailed explanation-3: -Because loci are located on chromosomes, and we inherit one chromosome from each of our parents, each locus has two alleles. These alleles can recombine from generation to generation to produce different genotypes.

Detailed explanation-4: -Abstract. Each diploid organism has two alleles at every gene locus. In sexual organisms such as most plants, animals and fungi, the two alleles in an individual may be genetically very different from each other.

Detailed explanation-5: -Although individual humans (and all diploid organisms) can only have two alleles for a given gene, multiple alleles may exist in a population level, and different individuals in the population may have different pairs of these alleles.

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