Ch 10 mastering biology

Human gametes are produced by _____.

meiosis

During _____ chromosomes align single file along the equator of a haploid cell.

metaphase II

Synapsis occurs during _________.

prophase I

During _____ a spindle forms in a haploid cell.

prophase II

A diploid organism whose somatic (nonsex) cells each contain 32 chromosomes produces gametes containing _____ chromosomes.

16

Normal human gametes carry _____ chromosomes.

23

Two sister chromatids are joined at the centromere prior to meiosis. Which statement is correct? A. Barring mutation, the two sister chromatids must be identical. B. The cell that contains these sister chromatids must be haploid. C. These chromatids make up a diploid chromosome.

A

Homologous chromosomes migrate to opposite poles during __________.

anaphase I

Meiosis II typically produces _____ cells, each of which is _____.

four, haploid

At the end of _____ and cytokinesis, haploid cells contain chromosomes that each consist of two sister chromatids.

telophase I

At the end of _____ and cytokinesis there are four haploid cells.

telophase II

Meiosis I produces _____ cells, each of which is _____.

two, haploid