Mastering Biology Exam 3
Study online at https://quizlet.com/_gv6lir
1. how many genes are present in the human genome tens of thousands
2. Which of the following statements about homologous they have genes for the
chromosomes is correct? same traits at the same
loci
3. Ignoring crossover, how many kinds of gametes can 16
be produced by an organism with a diploid number of
8?
4. At the end of mitosis, __________ daughter cells that are two;identical;four;distinct
genetically __________ are formed, while at the end of
meiosis, __________ daughter cells that are genetically
__________ are formed.
5. Unless the chromosomes were stained to show band part of a chromosome
patterns, a karyotype would be least likely to show turned around
which of the following?
6. Darwin realized the importance of heritable variation even though he nev-
to evolution __________. er read any of Gregor
Mendels work
7. A life cycle in which the only multicellular form is hap- fungi
loid is most typical of __________.
8. The process called __________ reduces the chromo- meiosis; two consecutive
some number by __________. cell divisions
9. __________ are a group of genetically identical individ- Clones; asexual reproduc-
uals produced by a process called __________. tion
10. Somatic cells in animals differ from gametes in that are all of the cells of the
somatic cells __________. body except for the ga-
, Mastering Biology Exam 3
Study online at https://quizlet.com/_gv6lir
metes and their precur-
sors
11. Regarding the role of cohesin protein in maintaining During meiosis II, cohe-
cohesion between sister chromatids, which of the fol- sion holds sister chro-
lowing statements is false? matids together along
their lengths as the
second meiotic spindle
forms.
12. What is a locus? The precise location of a
gene on a chromosome
13. A clone is a product of asexual reproduction and
mitosis
14. Which life cycle stage is found in plants but not ani- multicellular haploid
mals?
15. The major contribution of sex to evolution is that it provides a method to in-
__________. crease genetic variation
16. Which of the following occurs in meiosis, but not mi- homologous chromo-
tosis? somes separate
17. What is the result when a diploid cell undergoes meio- four haploid cells
sis
18. Regardless of whether an organism is an animal, diploid; fertilization; hap-
a plant, a fungus, or an algal cell, all zygotes are loid
__________ and are formed during the __________ of two
__________ gametes.
19.
, Mastering Biology Exam 3
Study online at https://quizlet.com/_gv6lir
The zipper-like complex that forms in meiosis occurs prophase I; synaptomne-
during __________ and is called the __________. mal complex
20. A pair of genetic structures carrying genes that homologous chromo-
control the same inherited characters are called somes
__________.
21. In meiosis, __________ of __________ cross over and form nonsister chromatids; ho-
__________. mologous pairs; chiasma-
ta
22. Somatic cells in humans contain __________ set(s) of two; diploid
chromosomes and are therefore termed __________.
23. Sister chromatids differ from nonsister chromatids in are products of the S
that sister chromatids __________. phase of the cell cycle
and are two copies of one
chromosome
24. genetic diversity requires sexual reproduction, in-
dependent assortment,
crossing over between
nonsister chromatids of
homologous chromo-
somes, and random fertil-
ization
25. The life cycle called __________ in plants has two multi- alternation of genera-
cellular stages: the __________ and the __________. tions; haploid gameoto-
phyte; diploid sporophyte
26. Which of the following is a function of mitosis in hu- multiplication of body
mans cells
Study online at https://quizlet.com/_gv6lir
1. how many genes are present in the human genome tens of thousands
2. Which of the following statements about homologous they have genes for the
chromosomes is correct? same traits at the same
loci
3. Ignoring crossover, how many kinds of gametes can 16
be produced by an organism with a diploid number of
8?
4. At the end of mitosis, __________ daughter cells that are two;identical;four;distinct
genetically __________ are formed, while at the end of
meiosis, __________ daughter cells that are genetically
__________ are formed.
5. Unless the chromosomes were stained to show band part of a chromosome
patterns, a karyotype would be least likely to show turned around
which of the following?
6. Darwin realized the importance of heritable variation even though he nev-
to evolution __________. er read any of Gregor
Mendels work
7. A life cycle in which the only multicellular form is hap- fungi
loid is most typical of __________.
8. The process called __________ reduces the chromo- meiosis; two consecutive
some number by __________. cell divisions
9. __________ are a group of genetically identical individ- Clones; asexual reproduc-
uals produced by a process called __________. tion
10. Somatic cells in animals differ from gametes in that are all of the cells of the
somatic cells __________. body except for the ga-
, Mastering Biology Exam 3
Study online at https://quizlet.com/_gv6lir
metes and their precur-
sors
11. Regarding the role of cohesin protein in maintaining During meiosis II, cohe-
cohesion between sister chromatids, which of the fol- sion holds sister chro-
lowing statements is false? matids together along
their lengths as the
second meiotic spindle
forms.
12. What is a locus? The precise location of a
gene on a chromosome
13. A clone is a product of asexual reproduction and
mitosis
14. Which life cycle stage is found in plants but not ani- multicellular haploid
mals?
15. The major contribution of sex to evolution is that it provides a method to in-
__________. crease genetic variation
16. Which of the following occurs in meiosis, but not mi- homologous chromo-
tosis? somes separate
17. What is the result when a diploid cell undergoes meio- four haploid cells
sis
18. Regardless of whether an organism is an animal, diploid; fertilization; hap-
a plant, a fungus, or an algal cell, all zygotes are loid
__________ and are formed during the __________ of two
__________ gametes.
19.
, Mastering Biology Exam 3
Study online at https://quizlet.com/_gv6lir
The zipper-like complex that forms in meiosis occurs prophase I; synaptomne-
during __________ and is called the __________. mal complex
20. A pair of genetic structures carrying genes that homologous chromo-
control the same inherited characters are called somes
__________.
21. In meiosis, __________ of __________ cross over and form nonsister chromatids; ho-
__________. mologous pairs; chiasma-
ta
22. Somatic cells in humans contain __________ set(s) of two; diploid
chromosomes and are therefore termed __________.
23. Sister chromatids differ from nonsister chromatids in are products of the S
that sister chromatids __________. phase of the cell cycle
and are two copies of one
chromosome
24. genetic diversity requires sexual reproduction, in-
dependent assortment,
crossing over between
nonsister chromatids of
homologous chromo-
somes, and random fertil-
ization
25. The life cycle called __________ in plants has two multi- alternation of genera-
cellular stages: the __________ and the __________. tions; haploid gameoto-
phyte; diploid sporophyte
26. Which of the following is a function of mitosis in hu- multiplication of body
mans cells
