Not Just For Sex: Why The Y Chromosome Hasn't Vanished

Men have lost most of the genes originally included on the Y chromosome during evolution, but those genes essential for survival have persevered, new research finds.

Topics:  chromosome   genes   
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BING SEARCH:
  • Sex Chromosomes: Definition, Purpose, Examples
    Sex chromosomes are chromosomes that affect your sexual anatomy and reproductive development. Most of us were raised with the idea that there are two sexes: male and female. We’re usually...
    05/9/2024 - 6:16 am | View Website
  • 7.6: Sex Chromosomes
    The nuclei of human cells contain 22 autosomes and 2 sex chromosomes. In females, the sex chromosomes are the 2 X chromosomes. Males have one X chromosome and one Y chromosome. The presence of the Y chromosome is decisive for unleashing the developmental program that leads to a baby boy.
    05/8/2024 - 10:28 am | View Website
  • Sex chromosomes & X-linked inheritance (article) | Khan Academy
    In humans and other mammals, biological sex is determined by a pair of sex chromosomes: XY in males and XX in females. Genes on the X chromosome are said to be X-linked. X-linked genes have distinctive inheritance patterns because they are present in different numbers in females (XX) and males (XY).
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  • Sex chromosome | Definition, Examples, & Facts | Britannica
    sex chromosome, either of a pair of chromosomes that determine whether an individual is male or female. The sex chromosomes of human beings and other mammals are designated by scientists as X and Y. In humans the sex chromosomes consist of one pair of the total of 23 pairs of chromosomes.
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  • Sex Chromosome
    Definition. A sex chromosome is a type of chromosome involved in sex determination. Humans and most other mammals have two sex chromosomes, X and Y, that in combination determine the sex of an individual. Females have two X chromosomes in their cells, while males have one X and one Y.
    05/7/2024 - 12:24 pm | View Website
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