Biology Chapter 10: Sexual Reproduction and Genetics

Segments of DNA within a chromosome that control the production of different proteins, which help determine the characteristics and functions of the cell.

• Gene

• Gamete

• Allele

• Haploid

Human bodies have ___ chromosomes.

• 46

• 23

• 92

• 12.5

Each parent contributes ___ chromosomes, resulting in ___ pairs of chromosomes, which are called homologous chromosomes.

• 46

• 23

• 92

• 12.5

A pair of chromosomes, one from each parent, that carries the same gene for a specific trait at the same location.

• Homologous Chromosomes

• Haploid Chromosomes

• Diploid Chromosomes

• Fertil Chromosomes

Sex cells that contain half the number of chromosomes compared to a body cell

• Gamete

• Gene

• Chromosome

• Allele

The process by which one haploid gamete combines with another haploid gamete.

• Fertilization

• Crossing Over

• Genetic Dysfunction

• Gene Repair

When a sperm with 23 chromosomes fertilizes an egg with 23 chromosomes, a diploid zygote is made that contains ___ chromosomes.

• 46

• 23

• 92

• 45

A type of cell division that reduces the number of chromosomes, thus producing haploid gametes.

• Meiosis

• Mitosis

• Cytokinesis

• Telophase

Cells grow and carry out their normal function.

• Interphase

• Prophase 1

• Metaphase 1

• Anaphase 1

DNA is copied and the cell prepares for cell division.

• Interphase

• Prophase 1

• Metaphase 1

• Anaphase 1