MMG 141 Lecture Notes - Lecture 9: Antirrhinum, Antigen, Antibody
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8 Feb 2019
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Heterozygote displays phenotype that is intermediate of the 2 homozygous phenotypes. Crossing of one r 1 r 2 xr 1 r 2 produces 1:2:1 ratio of red, pink, white. Works in same manner in genotypes but phenotypes present differently. Traits are separable (white and red present along with pink in later crosses with pink plants) Full phenotypic expression of both alleles of a gene pair in heterozygote. A and b antigens on red blood cells = ab blood type. Each genotype has distinct phenotype (1:2:1 phenotype and genotype unlike the 1:2:1 and 3:1 ratio of peas) Genes that have more than 2 allelic forms in a population. Network of cells, tissues, and organs to protect body from infection. Substance to which the immune system can respond. Protein produced by immune system to identify and neutralize foreign antigens. Originate in body, no immune response to these.
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