BIO 340 HOLECHEK LATEST
EXAM TWO QUESTIONS
AND ANSWERS 2026 -
2027
50 - ANSWERS-A species has n=4 chromosomes. Genes on different
chromosomes have a recombination
rate of ____ %
50 - ANSWERS-A species
has n=4 c
hromosomes. Genes on the same
chromosome have a maximum
recombination recombination rate of ____ %
0 - ANSWERS-A species has n=4 c
hromosomes. Genes on the same
chromosome have a minimum
recombination recombination rate of ____%
22 centimorgans - ANSWERS-You are studying two linked genes that
influence vine height and fruit color in squash.
END OF
PAGE
1
, BIO 340 HOLECHEK LATEST
EXAM TWO QUESTIONS
AND ANSWERS 2026 -
2027
Yellow color is dominant over green, and tall height is dominant over
short
. You get the
following numbers of
offspring from your testcross:
198 Tall Yellow, 192 Short
Green, 54 Tall Green, and 56 Short Yellow
What is the distance between these genes?
n-1 - ANSWERS-if you know what
the expected is based on Mendel results
or
genetic analyses performed on a specific locus you would use what
equation for degrees of freedom
n-1-1 - ANSWERS-if you
END OF
PAGE
2
, BIO 340 HOLECHEK LATEST
EXAM TWO QUESTIONS
AND ANSWERS 2026 -
2027
have to
calculate the expected genotype frequencies you would have to use what
equation for degress of freedom
genotypes - ANSWERS-n stands for number of ____ in degrees of
freedom equations
homologs - ANSWERS-The slash in the slash notation is simple the
speration of the alleles between the two ____
double - ANSWERS-You are looking at the results of a three point tests
cross and you see two values that are very low. These must be the ____
recombinants.
Phenotype - ANSWERS-Mutations to different genes can produce the
same _____.
END OF
PAGE
3
, BIO 340 HOLECHEK LATEST
EXAM TWO QUESTIONS
AND ANSWERS 2026 -
2027
complementation test - ANSWERS-What determines the number of
genes that causes a mutant phenotype?
haplosufficient - ANSWERS-Loss-of-function mutations are recessive
if the normal allele is ____.
haploinsufficient - ANSWERS-Loss-of-function mutations are dominant
if the normal allele is ____.
wild type - ANSWERS-A ______ phenotype is produced when
an organism has two copies of the wild
type allele
Codominance - ANSWERS-situation in which both alleles of a gene
contribute to the phenotype of the organism
END OF
PAGE
4
EXAM TWO QUESTIONS
AND ANSWERS 2026 -
2027
50 - ANSWERS-A species has n=4 chromosomes. Genes on different
chromosomes have a recombination
rate of ____ %
50 - ANSWERS-A species
has n=4 c
hromosomes. Genes on the same
chromosome have a maximum
recombination recombination rate of ____ %
0 - ANSWERS-A species has n=4 c
hromosomes. Genes on the same
chromosome have a minimum
recombination recombination rate of ____%
22 centimorgans - ANSWERS-You are studying two linked genes that
influence vine height and fruit color in squash.
END OF
PAGE
1
, BIO 340 HOLECHEK LATEST
EXAM TWO QUESTIONS
AND ANSWERS 2026 -
2027
Yellow color is dominant over green, and tall height is dominant over
short
. You get the
following numbers of
offspring from your testcross:
198 Tall Yellow, 192 Short
Green, 54 Tall Green, and 56 Short Yellow
What is the distance between these genes?
n-1 - ANSWERS-if you know what
the expected is based on Mendel results
or
genetic analyses performed on a specific locus you would use what
equation for degrees of freedom
n-1-1 - ANSWERS-if you
END OF
PAGE
2
, BIO 340 HOLECHEK LATEST
EXAM TWO QUESTIONS
AND ANSWERS 2026 -
2027
have to
calculate the expected genotype frequencies you would have to use what
equation for degress of freedom
genotypes - ANSWERS-n stands for number of ____ in degrees of
freedom equations
homologs - ANSWERS-The slash in the slash notation is simple the
speration of the alleles between the two ____
double - ANSWERS-You are looking at the results of a three point tests
cross and you see two values that are very low. These must be the ____
recombinants.
Phenotype - ANSWERS-Mutations to different genes can produce the
same _____.
END OF
PAGE
3
, BIO 340 HOLECHEK LATEST
EXAM TWO QUESTIONS
AND ANSWERS 2026 -
2027
complementation test - ANSWERS-What determines the number of
genes that causes a mutant phenotype?
haplosufficient - ANSWERS-Loss-of-function mutations are recessive
if the normal allele is ____.
haploinsufficient - ANSWERS-Loss-of-function mutations are dominant
if the normal allele is ____.
wild type - ANSWERS-A ______ phenotype is produced when
an organism has two copies of the wild
type allele
Codominance - ANSWERS-situation in which both alleles of a gene
contribute to the phenotype of the organism
END OF
PAGE
4
