In a Dihybrid Cross Involving Two Autosomal Traits on Different

question 55

Multiple Choice

In a dihybrid cross involving two autosomal traits on different chromosomes in which the parentals are purebred for the opposite forms of both traits,how many of the offspring would be expected to be homozygous recessive for both traits?

• A) 1 out of 16
• B) 3 out of 16
• C) 6 out of 16
• D) 9 out of 16

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Definitions:

Binomial Expansion

The process of expanding an expression raised to a power into a series using binomial theorem.

Coefficient

A numerical or constant quantity placed before and multiplying the variable in an algebraic expression.

Binomial Expansion

The process of expanding an expression that is raised to a finite power and expressed as a sum of terms using the binomial theorem.

Binomial Coefficient

A number that represents the coefficients in the expansion of a binomial raised to a power, usually expressed as nCk or C(n, k).