EXAM 2 LATEST
QUESTIONS WITH
SOLVED SOLUTIONS,
GRADED A+
GENETIC ANALYSIS
Evatee 10/4/24 GENETIC ANALYSIS
,GENETIC ANALYSIS EXAM 2 LATEST
QUESTIONS WITH SOLVED SOLUTIONS,
GRADED A+
Two linked genes, (A) and (B), are separated by 18 m.u. A man with a genotype
AaBb marries a weoman who is aabb. The man's father was AA BB. What is the
probability that their first two children will both be ab/ab Answer - 0.168
In the population of geese, the narrow-sense heritability for wing span is 0.5.
The phenotypic variance is 0.8 and the environmental inheritance is 0.2 What
is the additive genetic variance? Answer - .4
A population of adult mice has a mean body weight of 30g. The average weight
of mice selected for breeding purposes is 35g. The progeny produced by
random mating among the selected parents average 30.6g
Selection differential is? Answer - 4
A population of adult mice has a mean body weight of 30g. The average weight
of mice selected for breeding purposes is 35g. The progeny produced by
random mating among the selected parents average 30.6g
The heritability estimate for adult body weight in this population is? Answer -
0.125
A man is in his 40's is starting to experience numbness and partial paralysis in
his feet. All previous genetic test have been inconclusive and his genetic
, counselor is running out of ideas for test to run. What genetic test would be
the most likely option?
-Chromosomal analysis
-DNA seq
-Whole genome
-Chromo microarry Answer - Whole genome
Assume that an individual of AB/ab genotype is testcrossed and four classes of
testcross preogeny are found in equal frequinces. Which of the following
statements is TURE?
A. The genes A and B are on the same chromosome
B. The genes A and B are on the same chromosome and very far apart.
C. The genes A and B are probably between 10 and 20 amp units apart on the
same chromosome
D. The genes A and B are likely located on different chromosomes
E. Either b or d could be correct Answer -
_____ measures the effect of alleles at a locus interacting in a non-additive
fashion Answer - Dominance genetic variance
Recombination occurs through Answer - Crossing over and independent
assortment
a QTL.... Answer - is a chromosomal region containing genes that influences a
quantitative trait