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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
?
2.
What proportion of the offspring of two parents, each of genotype
Aa Bb Cc
are expected to
be
aa bb cc
?
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?
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
?
5. (2 point – no partial point). Consider a family with three children in which both parents are
carriers for cystic fibrosis.
a. What is the probability that they will have no affected children?
b. What is the probability that they will have exactly one affected child?
c. What is the probability that they will have exactly two affected children?
d. What is the probability that all three children will be affected?
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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 at Austin.
 Summer '08
 SAXENA

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