The cell (from Latin cella, meaning" small room" ) is the basic structural, including 22 homologous chromosome pairs and a pair of sex chromosomes.
A germ cell is any biological cell that gives rise to the gametes of an organism that reproduces sexually. In many animals, the germ cells originate in the primitive
Sex chromosome: Sex chromosome, either of a pair of chromosomes that determine whether an individual is male or female. The sex chromosomes of
American geneticist studying grasshoppers. Discovered that sex cells have half the number of chromosomes and that fertilized eggs have the full number of chromosomes.
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Over the last decade, many drugs that have been pulled from the market due to toxicity were withdrawn because they affected women more than men.
The Biology of Sex. In this special Cell Picture Show, presented by Current Biology, we pay homage to the fascinating biology of sex. Sex is a paradoxical phenomenon
Sex chromosomes are particular chromosomes that are involved in determining the sex of an organism. In the cells of humans and many other organisms the sex
In the human body, every cell that has a nucleus also carries 23 pairs of chromosomes except the germ cells gametes which carry a combination of 22 X or 22 Y
Gamete: Gamete, sex, or reproductive, cell containing only one set of dissimilar chromosomes, or half the genetic material necessary to form a complete organism (i. e
Organisms that reproduce sexually produce sex cells, or gametes, that carry a single set of chromosomes, the haploid number for the species. In contrast, body, or
Define sex cell. sex cell synonyms, sex cell pronunciation, sex cell translation, English dictionary definition of sex cell. n. A germ cell or gamete. n. a
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