chromosome meaning, definition, what is chromosome: a part of every living cell that is shap...: Learn more.
In textbooks sex chromosomes are commonly depicted as a large X and a small Y and described as a way of achieving both sex determination and an equal ratio of males and females in a population. From: Current Topics in Developmental Biology, 2019 ...
Looking for online definition of sex chromosome in the Medical Dictionary? sex chromosome explanation free. What is sex chromosome? Meaning of sex chromosome medical term. What does sex chromosome mean?
Definition of Y chromosome noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
In subject area: Biochemistry, Genetics and Molecular Biology These rare chromosomal variants are either balanced chromosomal translocations or deletions (copy number variants, CNVs) that disrupt one TCF4 allele and therefore lead to haploinsufficiency. ...
Studies on major depressive and anxiety disorders suggest dysfunctions in brain corticolimbic circuits, including altered gamma-aminobutyric acid (GABA) and modulatory (serotonin and dopamine) neurotransmission. Interestingly, sexual dimorphisms in GABA,
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005 Mosaic A term referring to a genetic situation, in which an individual's cells do not have the exact same composition of chromosomes. In Down syndrome, this may mean that some of the individ...
The chimeric state of female tissues that results from random X chromosome inactivation, meaning that normal mammalian females have two genetically distinct types of cells. Inbreeding depression (Also known as loss of heterozygosity) is the reduced fitness of a certain population that results from bree...
While women carry two copies of the X-chromosome, men are hemizygous, meaning they have one X and one Y chromosome. To maintain balance around allelic dosage between the sexes, X-chromosome inactivation (XCI) occurs in females. This process is where one X chromosome is transcriptionally silence...
While women carry two copies of the X-chromosome, men are hemizygous, meaning they have one X and one Y chromosome. To maintain balance around allelic dosage between the sexes, X-chromosome inactivation (XCI) occurs in females. This process is where one X chromosome is transcriptionally silence...