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larisa [96]
3 years ago
12

Assume that a population of 50 individuals has the following numbers of genotypes for a gene with two alleles, B and b: BB = 30,

Bb = 10, and bb = 10. Calculate the frequencies of the two alleles in the population’s gene pool.
Mathematics
1 answer:
Andreas93 [3]3 years ago
6 0

Answer:

the frequency of allele B is 0.7 and allele b is 0.3 in population’s gene pool.

Step-by-step explanation:

Allele frequency is how often an allele occurs in a gene pool relative to the other alleles for that gene

<u>Genotype</u>    <u> No. of Individuals</u><u> </u>     <u>No. of Allele </u><u>B</u>   <u>No. of Allele</u><u> b </u>                      

BB                    30                            30*2 =60                   30*0 =0

Bb                     10                            10*1 =10                       10*1=10

bb                     10                             10 *0 =0                      10*2=20

Total                 50                              70                                 30

Total no. of alleles = 70+30 =100

The frequency of allele B :\frac{\text{number of B alleles}}{\text{total number of alleles}}

:\frac{70}{100}

:0.7

The frequency of allele b :\frac{\text{number of b alleles}}{\text{total number of alleles}}

:\frac{30}{100}

:0.3

Hence the frequency of allele B is 0.7 and allele b is 0.3 in population’s gene pool.

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