An individual heterozygous for two alleles AaBb produces two million sperms. How many of the sperms will have both the recessive alleles?

Question

An individual heterozygous for two alleles AaBb produces two million sperms. How many of the sperms will have both the recessive alleles? (A) 0.5 million (B) 1 million (C) 2 million (D) 0.25 million

Tardigrade Admin · Accepted Answer

A dihybrid AaBb will produce four types of gametes AB, Ab, aB, ab. All the gametes will be produced in equal proportion. Thus, text0.5 million gametes will have ab genotype.

Q. An individual heterozygous for two alleles AaBb produces two million sperms. How many of the sperms will have both the recessive alleles?

0.5 million

1 million

2 million

0.25 million

A dihybrid AaBb will produce four types of gametes AB, Ab, aB, ab. All the gametes will be produced in equal proportion. Thus, $0.5 million$ gametes will have ab genotype.

Q. An individual heterozygous for two alleles AaBb produces two million sperms. How many of the sperms will have both the recessive alleles?

0.5 million

1 million

2 million

0.25 million

A dihybrid AaBb will produce four types of gametes AB, Ab, aB, ab. All the gametes will be produced in equal proportion. Thus, 0.5 million gametes will have ab genotype.

A dihybrid AaBb will produce four types of gametes AB, Ab, aB, ab. All the gametes will be produced in equal proportion. Thus, $0.5 million$ gametes will have ab genotype.