BIOL 1201 LiCata Exam 3
Synapsis:
a. Occurs only during meiosis
b. Connects homologous chromosomes
c. Allows chromosomes to exchange DNA
d. None of the above
e. All of the above - ✔️✔️e
Human somatic cells:
a. Divide by mitosis
b. Have a diploid number of chromosomes
c. Are non-reproductive cells
d. Have 46 chromosomes
e. All of the above - ✔️✔️e
What phase does DNA replication occur? - ✔️✔️interphase (s phase)
What is the mitotic spindle made of? - ✔️✔️microtubules
In a typical karyotype of any diploid organism, how many copies of each chromosome
are there? - ✔️✔️Four of each - the two homologs and the two sister chromatids
Which of the following is NOT a haploid?
a. sperm
b. adult fungi
c. gametophytes
d. human egg cells
e. sporophytes - ✔️✔️sporophyte
An organism with 3 haploid chromosomes can produce how many combinations of
chromosomes in its gametes by independent assortment? - ✔️✔️8
the phenotypic expression of one genes affects that of another (dog color) -
✔️✔️epistasis
a single phenotypic character is affected by two or more genes (skin color) -
✔️✔️polygenic inheritance
Synapsis:
a. Occurs only during meiosis
b. Connects homologous chromosomes
c. Allows chromosomes to exchange DNA
d. None of the above
e. All of the above - ✔️✔️e
Human somatic cells:
a. Divide by mitosis
b. Have a diploid number of chromosomes
c. Are non-reproductive cells
d. Have 46 chromosomes
e. All of the above - ✔️✔️e
What phase does DNA replication occur? - ✔️✔️interphase (s phase)
What is the mitotic spindle made of? - ✔️✔️microtubules
In a typical karyotype of any diploid organism, how many copies of each chromosome
are there? - ✔️✔️Four of each - the two homologs and the two sister chromatids
Which of the following is NOT a haploid?
a. sperm
b. adult fungi
c. gametophytes
d. human egg cells
e. sporophytes - ✔️✔️sporophyte
An organism with 3 haploid chromosomes can produce how many combinations of
chromosomes in its gametes by independent assortment? - ✔️✔️8
the phenotypic expression of one genes affects that of another (dog color) -
✔️✔️epistasis
a single phenotypic character is affected by two or more genes (skin color) -
✔️✔️polygenic inheritance
