Exam I Practice Questions
During a typical sexual life cycle:
(a) haploid gametes fuse in fertilization to form a diploid zygote,
(b) diploid gametes fuse in fertilization to form a haploid zygote,
(c) meiosis results in the production of diploid cells,
(d) choices “a” and “c” are both correct, but choice “b” is not correct,
(e) choices “b” and “c” are both correct, but choice “a” is not correct.
In the process of mitosis, sister chromatids become attached to kinetochore microtubules
(b) prophase ,
Telophase of mitosis is usually followed immediately by:
(a) S phase,
In the process of meiosis, pairs of homologous chromosomes are fully condensed and lined up
on the equatorial plate at:
(a) prophase I,
(b) anaphase I,
(c) anaphase II,
(d) metaphase I,
(e) metaphase II.
During prophase I of meiosis:
(a) chromosomes replicate,
(b) homologous chromosomes begin to pair,
(c) homologous chromosomes are lined up on the equatorial plate of the cell,
(d) homologous chromosomes separate,
(e) chromatids separate.
Given: In humans, being able to roll your tongue (T) is dominant to not being able to roll your
If a man and woman who both are able to roll their tongues get married and have a
child who cannot roll his(her) tongue, then:
(a) both parents are homozygous recessive,
(b) both parents are heterozygous,
(c) one parent is heterozygous and the other homozygous recessive,
(d) either choice “a” or choice “c” could be correct, but choice “b” cannot
(e) any of the choices, “a”, “b”, or “c” could be correct.