# Homework 1 answers - BIO 325 – Homework I Due on Jun 9...

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Unformatted text preview: BIO 325 – Homework I; Due on Jun. 9, 2011, 5:00 pm Please turn in your homework to your TA (NMS 3.276) or bring it to the class on Jun. 9 10 points total 1. How many kinds of gametes can be produced by an individual of genotype Aa Bb CC dd Ee FF ? 2X2X1X1X2= 8 2. What proportion of the offspring of two parents, each of genotype Aa Bb Cc are expected to be aa bb cc ? (1/4) X (1/4) X (1/4) = 1/64 3. What proportion of the offspring of the mating Aa Bb Cc by Aa Bb Cc are expected to be homozygous for all three genes? Aa X Aa = 1 AA: 2 Aa: 1 aa ; either AA OR aa is homozygous P(AA or aa) = 1/4 + 1/4 = 1/2 Similarly for Bb and Cc; To be homozygous for all three genes (1/2) X (1/2) X (1/2) = 1/8 4. What proportion of the offspring of the mating Aa Bb Cc DD Ee by aa Bb Cc dd Ee are expected to be aa bb cc Dd ee ? aa bb cc dd ee ? (1/2) X (1/4) X (1/4) X 1 X (1/4) = 1/128 aa bb cc dd ee ? (1/2) X (1/4) X (1/4) X 0 X (1/4) = 0 5. (2 point – no partial point). Consider a family with three children in which both parents are 5....
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## This note was uploaded on 11/07/2011 for the course BIO 325 taught by Professor Saxena during the Summer '08 term at University of Texas.

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Homework 1 answers - BIO 325 – Homework I Due on Jun 9...

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