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bio 1406 exam 3 Questions with Answers (100% Correct
Answers)
What do retroviruses like HIV do? Answer: integrates its viral DNA
into the DNA of the host cell, which allows the retrovirus to replicate
If a somatic cell of an organism contains 26 chromosomes, then a
gamete contains_________ chromosomes. Answer: 13
What are the functions of mitosis in humans? Answer: Repair of
wounds, growth, replacement of lost or damaged cells
Why is it difficult to observe individual chromosomes during
interphase? Answer: they have uncoiled to form long, thin strands
If a somatic cell contains 8 chromosomes, there are ____ different
variations ofchromosomes are possible in its gametes. Answer: 16
Deletion Answer: (1) A deficiency in a chromosome resulting from the
loss of a fragment through breakage. (2) A mutational loss of one or
more nucleotide pairs from a gene.
Inversion Answer: occurs when a segment breaks off and reattaches
within the same chromosome, but in reverse orientation
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Translocation Answer: The process in which a segment of a
chromosome breaks off and attaches to another chromosome.
nonjisdunction Answer: the failure of one or more pairs of
homologous chromosomes or sister chromatids to separate normally
during nuclear division, usually resulting in an abnormal distribution
of chromosomes in the daughter nuclei.
Which phase of mitosis is essentially the opposite of prophase in terms
of changes
within the nucleus? Answer: telophase
What phase of the cell cycle would you see that DNA has been
doubled? Answer: interphase (s phase)
What is binary fission and how is it different from mitosis? Answer:
binary fission is the asexual reproduction of prokaryotic cells and
mitosis occurs in eukaryotic cells binary fission is simpler faster
process than mitosis
Where in mitosis are microfilaments important Answer: cleavage
furrow
© 2025 All rights reserved
bio 1406 exam 3 Questions with Answers (100% Correct
Answers)
What do retroviruses like HIV do? Answer: integrates its viral DNA
into the DNA of the host cell, which allows the retrovirus to replicate
If a somatic cell of an organism contains 26 chromosomes, then a
gamete contains_________ chromosomes. Answer: 13
What are the functions of mitosis in humans? Answer: Repair of
wounds, growth, replacement of lost or damaged cells
Why is it difficult to observe individual chromosomes during
interphase? Answer: they have uncoiled to form long, thin strands
If a somatic cell contains 8 chromosomes, there are ____ different
variations ofchromosomes are possible in its gametes. Answer: 16
Deletion Answer: (1) A deficiency in a chromosome resulting from the
loss of a fragment through breakage. (2) A mutational loss of one or
more nucleotide pairs from a gene.
Inversion Answer: occurs when a segment breaks off and reattaches
within the same chromosome, but in reverse orientation
© 2025 All rights reserved
, 2
Translocation Answer: The process in which a segment of a
chromosome breaks off and attaches to another chromosome.
nonjisdunction Answer: the failure of one or more pairs of
homologous chromosomes or sister chromatids to separate normally
during nuclear division, usually resulting in an abnormal distribution
of chromosomes in the daughter nuclei.
Which phase of mitosis is essentially the opposite of prophase in terms
of changes
within the nucleus? Answer: telophase
What phase of the cell cycle would you see that DNA has been
doubled? Answer: interphase (s phase)
What is binary fission and how is it different from mitosis? Answer:
binary fission is the asexual reproduction of prokaryotic cells and
mitosis occurs in eukaryotic cells binary fission is simpler faster
process than mitosis
Where in mitosis are microfilaments important Answer: cleavage
furrow
© 2025 All rights reserved
