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In guinea pigs, the color of the fur is determined by a single gene with two alleles control. The brown allele (B) is dominant over the white allele (b). Two heterozygous guinea pigs are crossed. Draw a genetic diagram with the genotypic, phenotypic and ratio information of the P₁ and F ₁ generations of this cross.​

Sagot :

ambleys044

Answer:

       B          b

B      BB       Bb

b       Bb      bb

Genotype:

ratio - 1:2:1

1 BB = 25%

2 Bb = 50%

1 bb = 25%

Phenotype:

ratio - 3:1

3 Brown: 75%

1 White:25%

HOpe this helps

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