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Thomas Hunt Morgan (September 25, 1866 – December 4, 1945) [2] was an American evolutionary biologist, geneticist, embryologist, and science author who won the Nobel Prize in Physiology or Medicine in 1933 for discoveries elucidating the role that the chromosome plays in heredity.
Thomas Hunt Morgan discovered sex linked inheritance of the white eyed mutation in the fruit fly Drosophila in 1910, implying the gene was on the sex chromosome. In 1910, Thomas Hunt Morgan showed that genes reside on specific chromosomes. He later showed that genes occupy specific locations on the chromosome.
The 23rd pair of chromosomes are called allosomes. These consist of two X chromosomes in females, and an X chromosome and a Y chromosome in males. Females therefore have 23 homologous chromosome pairs, while males have 22. The X and Y chromosomes have small regions of homology called pseudoautosomal regions.
Police used genome sequencing to identify a body found in the Mississippi River more than four decades ago as a 15-year-old girl from Iowa.
Avery A. Sandberg (1921–2016), US internist, discovered XYY in 1961, expert on chromosomes in cancer; Lodewijk A. Sandkuijl (1953–2002), Dutch expert on genetic epidemiology and statistical genetics; Larry Sandler (1929–1987), US Drosophila geneticist, chromosome mechanics, devoted teacher
TROY, Mo. (AP) — Forty-six years after a Missouri hunter found a body in the Mississippi River, the victim has been identified as a 15-year-old girl from Iowa.
This is an accepted version of this page This is the latest accepted revision, reviewed on 22 February 2025. DNA molecule containing genetic material of a cell This article is about the DNA molecule. For the genetic algorithm, see Chromosome (genetic algorithm). Chromosome (10 7 - 10 10 bp) DNA Gene (10 3 - 10 6 bp) Function A chromosome and its packaged long strand of DNA unraveled. The DNA's ...
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