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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

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

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
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Human skin cells contain 46 chromosomes, or 23 chromosome pairs, and after mitosis, the two daughter cells also have 46 chromosomes. Mitosis is a cellular process that creates two identical daughter cells from one origin... More »

www.reference.com Science Biology Cells

Telomeres are sequences of repetitive DNA at the end of a chromosome. They have been compared to the aglets or protective caps on shoelaces because they protect information from being lost from the ends of chromosomes ju... More »

www.reference.com Science Biology Cells

Prokaryotic cells are single cells that evolved before eukaryotes, which are organisms whose cells contain nuclei and organelles. A prokaryotic cell has no true nucleus or membrane-bound structures called organelles. Pro... More »

www.reference.com Science Biology Cells

Every living organism is made up of cells. Some of these cells have walls, which play an important role in keeping the organism as a whole healthy and fully functioning system. More »

www.reference.com Science Biology Cells