11) Crossing over occurs during which stage of meiosis?
A) telophase : 1380781.
11) Crossing over occurs during which stage of meiosis?
A) telophase I
B) metaphase II
C) anaphase II
D) prophase II
E) prophase I
12) Which of the following occurs during anaphase I?
A) Homologous chromosomes are moved to the metaphase plate.
B) Sister chromatids are separated.
C) Crossing over begins.
D) Homologous chromosomes are separated.
E) Cytokinesis occurs.
13) Homologous chromosomes pair up to form a structure called a:
A) sister chromatid.
B) tetrad.
C) homologue.
D) haploid.
14) What event occurs in both anaphase of mitosis and anaphase II of meiosis II?
A) Cytokinesis ends.
B) Homologous chromosomes separate.
C) Chromatin decondenses.
D) Homologous chromosomes pair.
E) Sister chromatids separate.
15) The cells at the end of meiosis I are not ready to function as gametes. Why not?
A) They have the right number of chromosomes but no cytoplasm.
B) They have the right number of chromosomes but too much cytoplasm.
C) They are haploid, but the chromosomes are still in duplicated form.
D) The chromosomes have divided, but there has been no cytokinesis.
E) The homologous chromosomes have not yet separated.
16) Meiosis II is essentially the same as mitosis except that the outcome produces cells that are:
A) diploid.
B) somatic.
C) autosomal.
D) genetically identical to each other.
E) haploid.
17) Which of the following occur during telophase I?
A) Cytokinesis produces four haploid gametes.
B) Sister chromatids separate and move to opposite poles.
C) Cytokinesis produces two cells that will each go through meiosis II.
D) Homologous chromosomes separate.
E) One cell divides two times, without interruption, into four cells.
18) In the process of crossing over:
A) sister chromatids separate.
B) maternal chromosomes assort independently of paternal chromosomes.
C) homologous chromosomes separate.
D) sister chromatids exchange genetic material.
E) non-sister chromatids of homologous chromosomes exchange genetic material.
19) Imagine that a species has eight chromosomes (four homologous pairs). If some event occurred that prevented meiosis from occurring after replication, how many chromosomes would this species have after two generations?
A) 64
B) 8
C) 32
D) 16
E) 4
20) A cell contains eight chromosomes at the end of prophase I. How many chromosomes will be in each daughter cell at the end of prophase II?
A) 4
B) 8
C) 16
D) 32
11) Crossing over occurs during which stage of meiosis?
A) telophase : 1380781
