Determining sex - PowerPoint PPT Presentation

Sex Linked Traits

Sex Linked Traits. Male or Female? The gender of a baby is determined by genes on chromosomes. There are 23 pairs of chromosomes in each of our cells. One of pair of chromosomes are called sex chromosomes. The sex chromosomes determine whether a person is male or female.

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14. Pedigrees/ Human Genetics

14. Pedigrees/ Human Genetics. Fruit Fly- Drosophila melanogaster, used by scientists to study genes and heredity. Advantages of Fruit Flies Short Life Span Small and easy to maintain 8 Chromosomes. Human Chromosomes - 46 total (23 pairs).

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