The Genotypes and Phenotypes That Result from the Cross of Aa

question 12

Multiple Choice

The genotypes and phenotypes that result from the cross of Aa and Aa (A = normal pigmentation and a = albinism) are

• A)phenotypes:75% normal and 25% albino; genotypes:25% homozygous dominant and 50% heterozygous and 25% homozygous recessive.
• B)phenotypes:50% normal and 50% albino; genotypes:all homozygous recessive.
• C)phenotypes:50% normal and 50% albino; genotypes:50% homozygous recessive and 50% homozygous dominant.
• D)phenotypes:25% normal and 75% albino; genotypes:25% homozygous dominant and 50% heterozygous and 25% homozygous recessive.

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Definitions:

Call Feature

A provision in a bond or other fixed-income security that allows the issuer to repurchase and retire its bonds before they reach their specified maturity date.

Coupon Rate

The annual interest rate paid by a bond's issuer to its holders, expressed as a percentage of the bond's face value.

Bond Market

A financial market where participants can issue new debt in the form of bonds or buy and sell debt securities, primarily to and from investors.

Coupon

The yearly rate of interest on a bond, denoted as a percentage of the base value.