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When someone has two Y chromosomes they develop a condition called Jacob's syndrome. In most cases, this condition, which affects men, does not significantly alter a man's way of life, although there are some associated ... More »

www.reference.com Science Human Anatomy

A human cell containing 22 autosomes and either an X or Y chromosome is a sperm cell. According to Genetics Home Reference, all female egg cells contain an X chromosome along with their 22 autosomes. This arrangement mea... More »

www.reference.com Science Biology Molecular Biology & DNA

Human sperm cells, also called spermatozoon, contain 22 autosomes, a single Y chromosome, and a single X chromosome. Female egg cells contain 22 autosomes and two X chromosomes. More »

www.reference.com Science Biology Cells
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When someone is born with both male and female organs, the condition is called ambiguous genitalia, according to MedlinePlus. It has several different forms, and each one has a specific set of characteristics that sets i... More »

www.reference.com Science Human Anatomy

Hitchhiker’s Thumb is inherited during meiosis, a process during sexual reproduction where chromosomes are randomly distributed between cells, according to the Regional Professional Development Program (RPDP). During thi... More »

www.reference.com Science Human Anatomy

Photographic Dictionary lists the yolk of an egg as the only body part the begins with "y." There are no parts of the human anatomy that start with the letter "y." More »

www.reference.com Science Human Anatomy

Binocular vision, visual perception created by the combined use of two eyes, is important because it allows an observer to experience single vision and perceive depth. Depth perception is created when two separate images... More »

www.reference.com Science Human Anatomy