The Pedigree Chart Depicts the Inheritance Pattern of ____

question 29

Multiple Choice

The pedigree chart depicts the inheritance pattern of ____. Circles depict females and squares depict males. Colored shapes represent affected individuals (expressing a trait) and uncolored shapes are unaffected (do not express a trait) .

• A) an autosomal recessive characteristic with both parents being heterozygous
• B) an autosomal dominant characteristic with both parents being homozygous dominant
• C) an autosomal recessive characteristic with both parents being homozygous recessive
• D) none.

---

Definitions:

Epididymis

A tightly coiled tube situated behind the testicles, where sperm mature and are stored.

Vas Deferens

A duct in the male reproductive system responsible for transporting sperm from the epididymis to the ejaculatory ducts.

Spermatogenesis

The process by which male primordial germ cells undergo mitosis and meiosis to form mature sperm cells.

Secondary Sexual Characteristic

Physical traits that are not directly involved in reproduction but distinguish the sexes of a species, such as body hair in humans or plumage in birds.