BIO GENETICS 210 FINAL EXAM NEWEST 2024
WITH QUESTIONS AND CORRECT VERIFIED
ANSWERS|ALREADY GRADED A+
In mitosis, sister chromatids separate during ______,
while sister chromatids separate in ______ of meiosis.
Select one:
a.prophase; prophase I
b.anaphase; anaphase I
c.metaphase; metaphase I
d.anaphase; anaphase II
e.metaphase; metaphase II - .....ANSWER ...✔✔ D.
anaphase; anaphase II
Which of the following statements about cell division are
TRUE?Select one or more:
a.In mitosis, but not meiosis, the daughter cells are
identical copies of the mother cell.
b.Meiosis results in the formation of gametes.
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c.After mitosis the daughter cells are haploid, whereas
after meiosis the daughter cells are diploid.
d.In meiosis, but not mitosis, there is a reduction in the
amount of genetic material in the daughter cells.
e.In mitosis the duplicated chromosomes line up
individually at the metaphase plate, while in meiosis the
duplicated chromosomes line up in homologous pairs at
the metaphase plate. - .....ANSWER ...✔✔ A, B, D, E
Which of the following statements about cell division are
TRUE?Select one or more:
a.In mitosis, but not meiosis, the daughter cells are
identical copies of the mother cell.
b.Meiosis results in the formation of gametes.
d.In meiosis, but not mitosis, there is a reduction in the
amount of genetic material in the daughter cells.
e.In mitosis the duplicated chromosomes line up
individually at the metaphase plate, while in meiosis the
duplicated chromosomes line up in homologous pairs at
the metaphase plate.
Which of the following statements is TRUE?Select one or
more:
a.Pairs of homologous chromosomes are held together
by cohesin.
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b.Sister chromatids are connected by synaptonemal
complex.
c.Cohesin is degraded by separase in anaphase.
d.Nuclear membrane breaks down during prophase.
e.Homologous chromosomes have the same genes but
not necessarily the same alleles. - .....ANSWER ...✔✔
C, D, E
c.Cohesin is degraded by separase in anaphase.
d.Nuclear membrane breaks down during prophase.
e.Homologous chromosomes have the same genes but
not necessarily the same alleles.
A gamete cell has 5 picograms of DNA. How much DNA
would be found in a somatic (body) cell from this
organism that is in metaphase?
Select one:
a.5 picograms
b.10 picograms
c.20 picograms
d.25 picograms
e.40 picograms - .....ANSWER ...✔✔ C: 20 picograms
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A diploid somatic cell has 16 chromosomes. At the end
of mitosis, each daughter cell would have ______
chromosomes. At the end of meiosis I, each daughter cell
would have ______ chromosomes. At the end of meiosis
II, each daughter cell would have ______ chromosomes
Select one:
a.16; 16; 16
b.16; 32; 16
c.16; 16; 8
d.16; 8; 8
e.8; 16; 8 - .....ANSWER ...✔✔ D: 16, 8, 8
Which of the following statements is CORRECT? Select
one or more.
a.A genotype is the physical expression of a trait
b.The phenotype determines the genotype
c.For an organism with a dominant phenotype, there is
only one possible genotype for that trait
d.One allele can have two alternative versions called
genes.
No, one gene can have two alternative versions called
alleles.
e.A dominant allele masks the effect of the
corresponding recessive allele - .....ANSWER ...✔✔ e.