Is cystic fibrosis a sex-linked trait watch online
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The possible genotypes and phenotypes of males and females are: The normal allele "masks" the mutated allele. Color blind females are rare because they must inherit two recessive alleles for color blindness. Males show the trait much more often than females do because they only inherit one allele - from their mother - if that one is mutated, they will be color blind. Duchenne muscular dystrophy: Progressive weakening of the muscles and loss of coordination leads to death in early adulthood. Children with muscular dystrophy lack a key muscle protein named dystrophin; the gene for the dystrophin protein is on the X chromosome.Every person has two copies of the cystic fibrosis transmembrane conductance regulator (CFTR) gene. A person must inherit two copies of the CFTR gene that contain mutations -- one copy from each parent -- to have cystic fibrosis. Cystic fibrosis is caused by mutations in the gene. trait onto their offspring (Tt, Rr, Bb). · Diseases/Traits: Albinism, Cystic Fibrosis, PKU. (phenylketonuria), Tay-Sachs Disease. Disorders by Recessive Alleles: AA. Cystic fibrosis: Homozygous recessives (cc) have cystic fibrosis - body cannot make needed chloride Hemophilia: sex-linked recessive trait...the end of the story look at the video above ↑ ↑ ↑
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