Exercise: Animal Biotechnology Chromosomes

Questions for: Animal Biotechnology Chromosomes

How does dosage compensation in Drosophila occur?
A:
Hypertranscription of male X chromosome
B:
Hypotranscription of female X chromosome
C:
X inactivation in females
D:
Chimerism
Answer: A
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Raphanobrassica is a classical example of
A:
aneuploidy
B:
nullisomy
C:
allopolyploidy
D:
None of the above
Answer: C
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Which of the following is correct when a character shows continuous variation assuming a normal distribution?
A:
It is governed by many genes with small cumulative effect
B:
It is not controlled genetically
C:
Many of the variation is due to fluctuation of climate
D:
None of the above
Answer: A
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How many chromosomes are there in the budding yeast (S. cerevisiae)?
A:
16
B:
17
C:
18
D:
20
Answer: A
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In an organism, the chromosome number is maintained constant because of
A:
independent assortment
B:
crossing over
C:
DNA duplication
D:
synapsis
Answer: C
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