L41 BIOL 2970 Lecture Notes - Lecture 2: Metaphase, Zygote, Chromatin
12 Sep 2016
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On average, null alleles for ~ of genes are recessive lethals. % of carriers of an allele that are affected by it. Degree to which phenotypes altered in individuals that are affected. Probability: proportion of times an event is expected to occur in repeated trials. P(2 boys then 3 girls): ( * * * * ) = ( )^5 = 1/32. P(2 boys and 3 girls in any order): To quantify how well data fit an ideal expectation, statisticians: assume model correct, calculate probability of obtaining data that fit the ideal expectation as badly as the data obtained or even worse. By convention if p values from statistical test is 5% of less then the data are said to differ significantly from expectation. Degrees of freedom = number of classes - 1. All other cells in body are called somatic cells. Interphase: nucleus stain very brightly by basic dyes.
