Y Chromosome

Science / Genetics / Y Chromosome: One of the two sex chromosomes, x and y.

XYY Syndrome

Science / Genetics / 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. MORE

Sex Chromosome

Science / Genetics / Sex Chromosome: The x or y chromosome in human beings that determines the sex of an individual. Females have two x chromosomes in diploid cells: males have an x and a y chromosome. The sex chromosomes comprise the 23 MORE

Klinefelter Syndrome

Science / Biology / Klinefelter Syndrome: In humans, a genetically determined condition in which the individual has two X and one Y chromosome. Affected individuals are male and typically tall and infertile. MORE

Hemizygous

Science / Biology / Hemizygous: Having one or more genes that have no allele counterparts. Usually applied to genes on the males X chromosome (in humans). MORE

Sex Chromosomes

Science / Biology / Sex Chromosomes: The chromosomes that determine the sex of an organism. In humans, females have two X chromosomes, and males have one X chromosome and one Y chromosome. Chromosome that determines the gender (sex) of t MORE

Physical Development

Entertainment / Photography / Physical Development: System of development in which silver is contained in suspension within the developer and is attracted to the emulsion by silver halides which have received exposure. MORE

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