BIOL 2050 Chapter 3-4: Module 4 - Pedigree Analysis and Sex Linkage
Document Summary
3. 5 geneticists often use pedigrees to study the inheritance of human characteristics. Pedigree a pictorial representation of a family history, essentially a family tree that outlines the inheritance of one or more characteristics. Proband person from whom the pedigree is initiated designated by an arrow/ letter p. Each generation is identified with a roman numeral. Within each generation, family members are assigned arabic numerals. Children are listed in birth order form left to right. 4. 1 sex is determined by a number of different mechanisms sexual reproduction is the formation of offspring that are genetically distinct from their parents. 2 parents contribute to their offspring and those genes are assorted into new combinations through meiosis in most eukaryotes, sexual reproduction is 2 processes: 1) meiosis. Produces haploid gametes (or spores in plants: 2) fertilization. Produces diploid zygotes sex refers to sexual phenotype.
