Genetics 320 Problem Set Five Solutions
1. (2 points): 1000 linear tetrads from A/a are scored, and the following numbers are observed: linear tetrad number seen aaAA aAaA AAaa AaaA (a) 390 90 410 110
What is the frequency of first division segregation? O

Genetics 320 Problem Set Seven Solutions 1 (3 points): Your are involved in determining the parents of an orphan, but because the candidate parents are dead (and cremated), no DNA tests are possible. However, you do have information on whether they are (r

Genetics 320 Problem Set Four Solutions
1 (1 point):
In a cross involving two marked loci, you recover 150 parental gametes and 50 recombinant gametes. What is the recombination frequency between these loci?
Recombination frequency = (number of recombinan

Problem set 7 Due 11am Friday, 13 Nov. 1) [ 8 points] This problem deals with various Lac-operons placed within a cell. For each bacterial genotype, state if Lac Z occurs in absence and/or in the presence of Lactose. For example for the wild-type operon n

Genetics 320 Problem Set Ten Solutions
1. (2 points): 1000 linear tetrads from A/a are scored, and the following numbers are observed: linear tetrad number seen aaAA aAaA AAaa AaaA (a) 390 90 410 110
What is the frequency of first division segregation? Of

Genetics 320 Problem Set Six Solutions
1. (2 points): You have a bacterial cell that is F- and also lac- . You cross this cell line to two different lac+ cells lines. Following a cross to line A, all of the cells are now lac+ and can conjugate with F- cel

Genetics 320, Problem Set One Solutions
1 (1 point): If Pr(A, B) = 0.15, Pr(A) = 0.2 and Pr(B) = 0.4, (a) What is the conditional probability of B given A?
Pr(A,B)/P(A) = 0.15/0.2 = 0.75
(b)
What is the conditional probability of A given B?
Pr(A,B)/P(B) =

Genetics 320, Problem Set Nine (15 points) 1 (2 points): Consider a locus with four alleles (A1 to A4 ) at the following frequencies: p1 = 0.1, p2 = 0.2, p3 = 0.3, p4 = 0.4. Assume random mating and all other Hardy-Weinberg conditions. What is the frequen

Genetics 320, Problem Set 8 Solutions
1 (4 points): Consider the following number of individuals: x 0 1 0 1
data obtained by measuring two values (x, y) in a y 0 0 1 1 Frequency 0.10 0.30 0.45 0.15
Using this data, compute (a) The mean of x, E[x]: E[x] =

Genetics 320 Problem Set Two Solutions 1 (1 point): A pure-breeding red flower line is crossed with a pure-breeding white flower line. All the F1 individuals are green, while the F2 shows red, white, and green flowered-individuals. Crossing red and green

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(1) [10 Points] The dreaded sparky phenotype is determined by two X-linked loci, wherein aabb (female) or abY (male) individuals display this hideous phenotype, while all other genotypes at these two loci display the much more attracti

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(1) [15 points] Scientists studying pond scum at ASU have found an organism with four sexes. Suppose the parents are P1= AAAa, P2 = AAaa, P3 = AAAA, and P4 = Aaaa. (a) What is the probability of getting an AAAA offspring? (3/4)*(1/2)*(

Genetics 320 Problem Set Six Solutions
1 (1 point):
In a cross involving two marked loci, you recover 150 parental gametes and 50 recombinant gametes. What is the recombination frequency between these loci?
Recombination frequency = (number of recombinant

Genetics 320, Problem Set Four Solutions 1 (1 point): If Pr(A, B) = 0.15, Pr(A) = 0.2 and Pr(B) = 0.4, (a) What is the conditional probability of B given A?
Pr(A,B)/P(A) = 0.15/0.2 = 0.75
(b)
What is the conditional probability of A given B?
Pr(A,B)/P(B)