BIO 122 Lecture Notes - Lecture 15: Chromosome, Barr Body, Zygosity
Document Summary
A , b , a chromosomal inheritance : melding of minds: 1850-1860 : mendelsi experiments, basis of genetics and inheritance, cytologists worked out the process of mitosis. In 1875 and meiosis in the 1890"s using. Autosomal vs sex-linked genes: when genes reside on one of the sex chromosomes, -linked traits : colorblindness ,hemophilia ]many. Linked genes: * chromosomes have genes for many characters unrelated to gender determination . * quiz 1: a women who is "heterozygous for particular. Linked recessive trait marries a phenotypically normal man . , why not double the genes ? inactivation : proposed by mary lyon in 1961 : one of the - chron . development and condenses into a barr body . Quiz 2 : a dominant allele on the chromosome is responsible for a certain immunodeficiency . have a child two people who expess the trait. A y: quiz 3 : a dominant allele onthe chromosome is responsible for certain immunodeficiency . two people.
