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Biology_Genetics

bio exam 3

QuestionAnswer
Humans have how many pairs of chromosomes? 23
Humans have how many chromosomes? 46
The term for when ribosomes read the RNA code & translate it into functional protein? Translation
Takes our DNA, gently unwinds it, and builds a complimentary mate to each strand. DNA polymerase
Matches up against a specific codon. Exactly like DNA, but instead of T's there are U's. Anticodon
The addition of one or more nucleotide base pairs into a DNA sequence. Insertions
Phases of the cell cycle? G1, S, G2, M. G1: gap, cell growing. S: duplication, dna synthesis G2: gap2, cell getting ready for cell division. M: mitosis
Male baldness is example of? Sex-influenced
Many genes that determine a trait. Polygenic
23 pairs of chromosomes, 1st gene influence expression of gen on 23rd chromosome. The effects of one gene are modified by one or several other genes. Epistasis
Inability to produce enzyme which converts phenylalanine to tryosine. PKU, Phenylketonuria
Inability to produce enzyme which converts tyrosine to melanin Albinism
Inability to produce enzyme which metabolizes homogentistic acid. Alkaptonuria
Inabilty to produce enzyme which converts galacose to glucose. Galactosemia
Inability to produce enzymes. Tay-Sacs Disease
Specifically shaped like enzymes; proteins made to fit one antigen. Fights against antigen Antibody
Come from outside body. Bad thing. Antigen
dd means Rh-
Assumptions of CHW 1.large population 2.random matings 3.neutral alleles 4.no migration
Created by: 1308000591
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