Dictionary,Defintion,Meaning,What is X Chromosome, Xenograft, X Inactivation, X Linkage, X-linked, Pattern of Inheritance of Genes on the Chromosome

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Home >> Genetics Dictionary >> X chromosome Xenograft

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X Chromosome
One of the two sex chromosomes, X and Y. See also: Y chromosome, sex chromosome.

X Inactivation
The random cessation of transcription from one X chromosome in mammalian females. This compensates for the difference in X chromosome dosage between males and females.

X Linkage
The pattern of inheritance of genes located on the X chromosome.

X Linked
Diseases occurring due to a mutation or defect on the X chromosome.
Hemophilia, Duchenne muscular dystrophy, and color blindness are examples of diseases whose genes are located on the X chromosome. Males are most often affected with X linked disorders. This is the same as the formerly used term, sex linked.

Xenograft
Tissue or organs from an individual of one species transplanted into or grafted onto an organism of another species, genus, or family. A common example is the use of pig heart valves in humans.

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Genetic Dictionary - Part 3 Reproductive Character Displacement - Restriction Enzyme Cutting Site Restriction Site - Reverse Transcriptase RFLP (Restriction Fragment Length Polymorphism) - RNA (Ribonucleic Acid) RNA Polymerase - Rule of Segragation Sagittal Crest - Scoliosis Secondary Cancer - Selfing Semi Conservative Replication - Sex Influenced Trait Sex Limited Trait - Sickle Cell Anemia Sigma Factor - Solenoid Structure Somatic Cell Genetic Mutation - Spina Bifida Splice Site - Stromatoporoid Structural Genomics - Synaptonemal Complex Syndactyly - Synteny Tandem Repeat - Telomere Telophase - Theropod Three Point Cross - Transduction tRNA (Transfer RNA) - Transition Transposable Element - Transposons Transversion - Trisomy 21 Tumor Suppressor Gene - Typology Unequal Crossing Over - Uracil Van Valen, Leigh - Virulence Virus - Vrijenhoek, Robert Wake, David - Wrangham, Richard X Chromosome - Xenograft Y Chromosome - Y Junction Zinc Finger - Zygonema / Zygotene