BIOL 2153 Study Guide - Quiz Guide: Y Chromosome, Phenylketonuria, Meiosis
Document Summary
Mendel: each trait controlled by inheriting factor (gene). Two copies of each gene (alleles) are present in the organism. Explained how traits could be hidden and then reappear. Principle of dominance: in a heterozygote only one allele may conceal another. Principle of segregation: in a heterozygote, the alleles segregate from each other during gamete formation. Mendel marked his copy of origin of species with an exclamation point next to, there are many laws regulating variation, some few of which can be dimly seen. Darwin: theory of evolution origin of species by natural selection said must be more than just blending inheritance said traits were carried by particles gemmules . De vries: the term mutation , and rediscovering mendels work. Correns: rediscovered mendels work but failed to see how important it was. Tschermak : his dad taught botany to mendel & rediscovered mendel"s work. Boveri : all chromosomes are needed for growth and function of organisms.
