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Genetics Module 1 Exam Questions With
Correct Answers 100% Verified.
What is the probability of rolling two six-sided dice and obtaining the following numbers:
a) 2 and 3? (enter answer in box 1)
b) 6 and 6? (enter answer in box 2)
c) at least one 6? (enter answer in box 3)
d) Two of the same number (two 1s, or two 2s, or two 3s, or two 4s etc.)? (enter answer in box
4)
e) An even number on both dice? (enter answer in box 5)
f) An even number on at least one dice? (enter answer in box 6)
Enter all answers as fraction (e.g. 1/3 ). When possible use the simpliest form (e.g. simplify 2/6
to 1/3) - Answer✔(marked off?) a) 1/36 b) 1/36 c) 1/6 d) 1/6 e) 1/4 f)1/2
In a mating between individuals with the genotypes IAIO X IOIO, what percentage of the
offspring are expected to have the O blood type? - Answer✔50%
a.
Meiosis I anaphase
b.
Meiosis I prophase
c.
Meiosis II anaphase
d.
Meiosis II prophase
e.
1
, ©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:43 PM.
Mitosis telophase
f.
Mitosis prophase
Crossing over (genetic recombination) occurs in... - Answer✔b
Under what circumstance might two loci be on the same chromosome but behave as if
independently assorting in crosses? - Answer✔If the genes are very far apart.
A small part of the human Y chromosome contains the gene that is responsible for determining
maleness. What is the name of this gene? - Answer✔SRY
The following coat colors are known to be determined by alleles at one locus in horses:
palomino = golden coat with lighter mane and tail
cremello = almost white
chestnut = brown
Cross Parents Offspring
1
cremello x cremello
all cremello
2 chestnut x chestnut all chestnut
3 cremello x chestnut all palomino
4 palomino x palomino 1/4 = chestnut
1/2 = palomino
1/4 = cremello
Using the gene symbols C1 and C2, diagram the mating for cross #3. - Answer✔1. C1C1xC1C1
2. C2C2xC2C2
2
Genetics Module 1 Exam Questions With
Correct Answers 100% Verified.
What is the probability of rolling two six-sided dice and obtaining the following numbers:
a) 2 and 3? (enter answer in box 1)
b) 6 and 6? (enter answer in box 2)
c) at least one 6? (enter answer in box 3)
d) Two of the same number (two 1s, or two 2s, or two 3s, or two 4s etc.)? (enter answer in box
4)
e) An even number on both dice? (enter answer in box 5)
f) An even number on at least one dice? (enter answer in box 6)
Enter all answers as fraction (e.g. 1/3 ). When possible use the simpliest form (e.g. simplify 2/6
to 1/3) - Answer✔(marked off?) a) 1/36 b) 1/36 c) 1/6 d) 1/6 e) 1/4 f)1/2
In a mating between individuals with the genotypes IAIO X IOIO, what percentage of the
offspring are expected to have the O blood type? - Answer✔50%
a.
Meiosis I anaphase
b.
Meiosis I prophase
c.
Meiosis II anaphase
d.
Meiosis II prophase
e.
1
, ©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:43 PM.
Mitosis telophase
f.
Mitosis prophase
Crossing over (genetic recombination) occurs in... - Answer✔b
Under what circumstance might two loci be on the same chromosome but behave as if
independently assorting in crosses? - Answer✔If the genes are very far apart.
A small part of the human Y chromosome contains the gene that is responsible for determining
maleness. What is the name of this gene? - Answer✔SRY
The following coat colors are known to be determined by alleles at one locus in horses:
palomino = golden coat with lighter mane and tail
cremello = almost white
chestnut = brown
Cross Parents Offspring
1
cremello x cremello
all cremello
2 chestnut x chestnut all chestnut
3 cremello x chestnut all palomino
4 palomino x palomino 1/4 = chestnut
1/2 = palomino
1/4 = cremello
Using the gene symbols C1 and C2, diagram the mating for cross #3. - Answer✔1. C1C1xC1C1
2. C2C2xC2C2
2
