X chromosome - Wikipedia, the free encyclopedia
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The X chromosome is one of the two sex-determining chromosomes in many animal species, including mammals (the other is the Y chromosome). It is a part of the XY sex-determination system and X0 sex-d...
en.wikipedia.org/wiki/X_chromosome
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Y chromosome - Wikipedia, the free encyclopedia
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The Y chromosome is the sex-determining chromosome in most mammals, including humans. In mammals, it contains the gene SRY, which triggers testis development, thus determining sex. The human Y chrom...
en.wikipedia.org/wiki/Y_chromosome
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In fruit flies, humans, and many other animal species, females have two X chromosomes and males have one X and one Y chromosome. In other kinds of organisms, however, different genetic mechanisms may determine the sex of the individual.
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www.wiley.com/college/pruitt/0471202282/bioinquiry/cont...
www.wiley.com/college/pruitt/0471202282/bioinquiry/contents/chapter5_module3_frame.htm
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Some marine shellfish, such as limpets, become either male or female depending on where they grow. What makes one limpet a male and another a female? ... Another type of human chromosomal aberration results when a person inherits one X and two Y chromosomes. What event must occur during meiosis for this to happen?
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www.wiley.com/college/pruitt/0471202282/bioinquiry/cont...
www.wiley.com/college/pruitt/0471202282/bioinquiry/contents/chapter5_module3b_frame.htm
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Can someone explain this phenomenon? Recombination happens at a higher frequency in the female. Why this is the case, I don't know. G. ... Previous message: Diff. between female and male chromosomes?
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www.bio.net/hypermail/biochrom/1994-March/000200.html
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and so the process continued with the number of male offspring increasing until there were many men who had Y chromosomes with YAP+. ... A further problem she faced was the risk of incorrectly identifying a skeleton as female when really it was male.
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www.ucl.ac.uk/tcga/ScienceSpectra-pages/SciSpect-14-98....
www.ucl.ac.uk/tcga/ScienceSpectra-pages/SciSpect-14-98.html
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ijsh.ednet.ns.ca/TeacherMaterials/DuncanMacIsaac/scienc...
ijsh.ednet.ns.ca/TeacherMaterials/DuncanMacIsaac/science9web/cellreproduction/chromosomes.htm
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Dosage analysis of Z chromosome genes using microarray in silkworm, Bombyx mori.; Dosage analysis of z chromosome genes using microarray in silkworm, bombyx mori.; How chromosomes meet in the dark -- Switch that turns on X chromosome matchmaking; Female Human Embryos Adjust The Balance Of X Chromosomes Before Implantation;
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biochemistry.newsbeet.com/story/Enzyme-That-Binds-Diffe...
biochemistry.newsbeet.com/story/Enzyme-That-Binds-Differently-To-Male-Female-Sex-Chromosomes-Helps-Males-To-Make-Up-Their-X-Chromosome-Shortage/
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One possibility was a difference in recovery of gametic classes between male and female, based on the heteromorphic nature of A AB bivalents. Another explanation was that heterochromatin from the B chromosome may enhance male crossing over on AB chromosomes.
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www.agron.missouri.edu/mnl/62/107carlson.html
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