Bio Beyond Mendel Notes Questions Answered 100% correct

Bio Beyond Mendel Notes Questions Answered 100% correct Co-dominance Situation in which both alleles of a gene contribute to the phenotype of the organism due to their mutual dominance. There are in total 2 alleles, two being dominant and 1 recessive. Genotype An organism's genetic makeup, or allele makeup. Blood type Determined by the type of antigen present on the surface of red blood cells O Blood Type universal donor AB blood type Donates to A, can take any blood A blood type A antigen B blood type Donates to: B, A Pleiotropy A single gene having multiple effects on an individuals phenotype Acromegaly abnormal enlargement of the extremities (hands and feet) that is caused by excessive secretion of growth hormone after puberty Achondroplasia A form of human dwarfism caused by a single dominant allele; the homozygous condition is lethal Polygenic inheritance An additive effect of two or more genes on a single phenotypic character. Sex linked traits Traits controlled by genes located on the X chromosome Sex chromosomes Chromosomes that determine the sex or traits of an individual Autosomal Name the pattern of genetic transmission characterized thus: both M and F are affected; M may transmit to M; each generation has at least one affected parent; and one mutant allele may produce the disease. Drosopila Selected only those with either low or high numbers of bristles and allowed them to reproduce DISRUPTIVE Y chromosome the sex chromosome found only in males. When paired with an X chromosome from the mother, it produces a male child. X chromosome The sex chromosome found in both men and women. Sex influenced trait an autosomal trait that is influenced by the presence of male or female sex hormones