The Principles of Heredity Were First Established Through Breeding Experiments

question 15

Multiple Choice

The principles of heredity were first established through breeding experiments carried out in ________ by Gregor Mendel.

• A) the 1950s
• B) the 1860s
• C) the mid-1600s
• D) the early 1900s
• E) the late 1700s

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Definitions:

Anaphase I

A stage in the first division of meiosis where homologous chromosomes are separated and move to opposite ends of the cell.

Somatic Cell

Body cell; excludes cells that undergo meiosis and become sperm or eggs.

Chromosomes

Threadlike structures composed of DNA and proteins, containing the genetic information necessary for cell growth, division, and function.

Meiosis

A specialized type of cell division that reduces the chromosome number by half, leading to the production of haploid gametes in sexually reproducing organisms.