Definition:
Producing gametes that contain one of two types of chromosomes.
For example, males produce two types of gametes or sperm, one with an X chromosome and another with a Y chromosome.
Related Resources:
Chromosomes and Gender
Chromosomes are long, stringy aggregates of genes that carry heredity information. Gender is determined by the presence or absence of certain chromosomes.
Meiosis
An introduction to the process of meiotic cell division.
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