BICD 100 Lecture Notes - Lecture 99: Human Migration, Oogenesis, S Phase
6 Nov 2018
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10. 1: cells genetic material (dna/rna) genes in each strand carry (cid:272)odes to (cid:862)(cid:373)ake thi(cid:374)gs(cid:863, genetic variation, provides basis for natural selection, phenotype, quantifiable trait, genotype + environment, mendelian: one gene one trait, ex. Single gene traits: attached v. unattached earlobes: complex/quantitative: many genes one trait, system genetics: many genes many traits, ex. Importance of genetics: alteration of dna in a gene can alter the arrangement of amino acids in a protein, can have a huge effect on cell/living organism. 3: found in somatic cells- everything except sex cells, proliferation/ clonal expansion daughter cells have similar gene expression to parent cell, differentiation- daughter cell has more specialized gene expression, achieved through gene silencing. Seed shape (round/wrinkled), seed color (yellow/green: worked with true-breeding lines, analyzed large #s of progeny in a rigorous, quantitative way. If there are many offspring, all with the dominant trait, the tested mouse is homozygous.
