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Y chromosome


Y chromosome
a special chromosome associated with the sex of many organisms; in human beings this chromosome is present only in males
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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Y chromosome-linked diseases
No vital genes reside only on the Y chromosome, since 50% of humans do not have Y chromosomes.
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Y chromosome
The Y chromosome is one of the two sex chromosomes in humans (the other is the X chromosome). The sex chromosomes are one of the 23 pairs of human chromosomes.
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Y Chromosome
The Y chromosome presents a number of unique problems to both genetic mapping and gene identification.
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Y chromosome YeastA unicellular fungus. One species, the budding yeast Saccharomyces cerevisiae, is used in brewing and baking because of the ease with which it ferments carbohydrates to ethyl alcohol and carbon dioxide.
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Any chromosome other than a sex chromosome. Humans have 22 pairs of autosomes.
explained:
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The Y chromosome is considerably smaller than the X chromosome and has a much lower density of genes. In fact, the Y has often been called a "genetic junkyard.
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The Y chromosome contains a gene called SRY (for sex-determining region of Y).
Females
Testicular Feminization ...
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Biology Chromosome

Related Terms ...
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The X and Y chromosomes in organisms that determine the sex of an individual. In human beings females have two X chromosomes in diploid cells; males have an X and a Y chromosome.
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autosome Any chromosome that is not a sex chromosome.
autotomy The self amputation of an appendage. For example, the casting off of a section of a lizard's tail caught in the grasp of a predator. The autotomized appendage is usually regenerated.
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Sons inherit their Y chromosome from their father.
Only a few genes have been identified on the Y chromosome, among them the testis-determining factor (TDF) that promotes development of the male phenotype.
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Each individual in the GA consisted of a binary chromosome specifying the three-dimensional coordinates of each end of each wire.
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During male gametogenesis, recombination between X and Y chromosomes occurs in a small subtelomeric region of each the X and Y chromosomes, the pseudoautosomal region. These segments are homologous.
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A gene, normally found on the Y chromosome in mammals, that directs the indeterminate gonads toward development as testes. See testis-determining factor.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Sex chromosomes: The X and Y chromosomes in human beings that determine the sex of an individual. Females have two X chromosomes; males have one X an d one Y. Single strand: One half of a DNA double helix.
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Autosomes all the chromosomes other than the X and Y chromosomes
(auto = self; soma = body)
Autotroph an organism such as a plant which makes its own food
(auto = self; troph = food nourish nourishment) ...
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sex chromosomes: one pair among the 23 pairs of human chromosomes; the X and Y chromosomes.
skeletal muscle: see striated muscle.
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near one another on a chromosome may encode proteins that figure in the same cellular process or in completely unrelated processes. As an example of the former, many of the genes involved in spermatogenesis reside together on the Y chromosome.
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XYY syndrome -- genetic condition in males with extra Y chromosome (in 1 in 1000 male births). Symptoms: tall stature (over 6'), may including sterility, developmental delay, learning problems.
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