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autosomal inheritance |
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autosomal inheritance, a pattern of inheritance in which the transmission of traits depends on the presence or absence of certain alleles on the autosomes. The pattern may be dominant or recessive, and males and females are usually affected with equal frequency. The majority of hereditary disorders are the result of a defective gene on an autosome. Kinds of autosomal inheritance are autosomal-dominant inheritance and autosomal-recessive inheritance. See also inheritance. inheritance 1. the acquisition of characters or qualities by transmission from parent to offspring. 2. that which is transmitted from parent to offspring. See also gene, deoxyribonucleic acid and heredity. Mendelian inheritance is the basis of all genetic practice, but it has limitations in explaining the small differences that occur in a range of offspring of similar and related matings. Galtonian genetics deals specifically with this problem and is better fitted as a tool in population genetics and in dealing with characters that are dependent on a number of chromosomal loci rather than on a single locus. autosomal inheritance controlled by genes located on autosomes. intermediate inheritance inheritance in which the phenotype of the heterozygote falls between that of either homozygote. maternal inheritance the transmission of characters that are dependent on peculiarities of the egg cytoplasm produced, in turn, by nuclear genes. X-linked inheritance see x-linked. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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