HHB 1.1 Division and Differentiation

A ___________ cell is any cell in the body other than cells involved in reproduction.

• Germline

• Gamete

• Somatic

• Stem

Germline cells are

• gametes only.

• All diploid body cells and the stem cells that divide to form gametes.

• stem cells that divide to form gametes.

• Gametes and the stem cells that divide to form gametes.

Identify the process(es) by which somatic cells are produced.

• mitosis only.

• meiosis only.

• mitosis and meiosis.

Identify the process(es) by which germline cells produce haploid gametes.

• mitosis only.

• meiosis only.

• mitosis and meiosis.

Diploid cells contain

• 23 pairs of homologous chromosomes.

• 23 chromosomes.

• 46 pairs of homologous chromosomes.

• 42 chromosomes.

Select the cell(s) that are diploid.

• Nerve cell

• Epithelial cell

• Sperm cell

• Muscle cell

• Ova

Identify the process by which a cell expresses certain genes to produce proteins characteristic of that cell type.

• Mitosis

• Differentiation

• Meiosis

• Self renewal

All genes in embryonic stem cells can be switched on.

• True

• False

Select the term which best describes embryonic stem cells and their ability to differentiate.

• Multipotent

• Pluripotent

• Totipotent

• Semipotent

Select the term which best describes tissue stem cells and their ability to differentiate.

• Multipotent

• Pluripotent

• Totipotent

• Semipotent