Directions: Answer all questions and show work when specified. If you need addit

Question

Directions: Answer all questions and show work when specified. If you need additional assistance refer to chapters 4 and 5 of your text. For each genotype, indicate whether it is heterozygous (HE), homozygous dominant (HD), or homozygous recessive (HR) 1. Dd Bb li 2. For each of the genotypes below, determine the phenotype a. Cleft chin is dominant to round b. Widow's peak is dominant to straight hairline Ww Cc c. Freckles is dominant to clear d. Pointed heads is dominant to round heads Pp Ff Set up a Punnet Square for each of the two crosses listed below. The trait being studied is normal fingers (dominant) and short fingers (recessive). 3. a. What percentage of the offspring will have short fingers b. What percentage of the offspring will have normal fingers Ss x ss c. What percentage of the offspring will have short fingers d. What percentage of the offspring will have normal fingers

Explanation / Answer

ans1--AA- homozygous dominant

Bb-hetrozygous

cc-homozygous recessive

Dd-hetrozygous

ee-homozygous recessrecessive

FF-homozygous dominant

GG-homozygous domdominant

hh- homhomozygous recessive

Ii- hetrozygous

jj-homozygous recessive

KK- homozygous dominant

LI-hetrozygous

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