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Recessive gene


Recessive Genetic Disorder
In diseases associated with altered recessive genes, both parents -- although disease free themselves -- carry one normal gene and one altered gene.
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recessive gene Gene that is masked by its dominant allelic partner, having the recessive phenotype expressed only when both alleles for a given trait are recessive.
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Recessive gene: A gene which must b e present on both chromosomes in a pair to show outward signs of a certain characteristic.
Recombinant DNA: A form of DNA produced by splicing together segments of DNA from two or more organisms.
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Recessive gene. Characterized as having a phenotype expressed only when both copies of the gene are mutated or missing.
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So, recessive genes do not tend to be lost from a population no matter how small their representation.
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PKU is a recessive genetic disease in which the person does not have the ability to break down the amino acid phenylalanine. The level of phenylalanine in the persons blood builds up and interferes with the development of the nervous system.
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An X-linked recessive genetic disease, caused by a mutation in the gene for clotting factor VIII (hemophilia A) or clotting factor IX (hemophilia B), which leads to abnormal blood clotting.
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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As albinism is a recessive gene, the chance of offspring with albinism resulting from the pairing of a creature with albinism with a creature without albinism is very low and is discussed below.
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(See Dominant gene, Fusion gene, Gene amplification, Gene expression, Gene flow, Gene pool, Gene splicing, Gene translocation, Recessive gene, Regulatory gene.) Gene amplification. The presence of multiple genes.
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Carrier -- an individual heterozygous for a single recessive gene. cDNA -- complementary DNA produced from a RNA template by the action of RNA- dependent DNA polymerase.
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Where an individual receives one albinism gene and one normal gene, that person will not show outward signs of the condition, but will become a carrier of the recessive gene.
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Recessive genetic characters are not modified when in the presence of the dominant character, but can be recovered on further crossing.
The segregation of differentiating traits is Mendel's First Law.
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cystic fibrosis An autosomal recessive genetic disorder that causes the production of mucus that clogs the airways of the lungs and the ducts of the pancreas and other secretory glands.
cytokinesis The division of the cytoplasm during cell division.
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Term coined by Voigt (1926) for the percentage with which a dominant or homozygous recessive gene expresses itself in the phenotype. Qualitative concept of gene expression. It depends both on genotype and environment.
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Likewise, there are some genetic algorithm implementations that do have diploid chromosomes and dominant and recessive genes (Goldberg 1989, p.150; Mitchell 1996, p.22).
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