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Unformatted text preview: d. Nondisjunction uneven splitting of chromosomes during anaphaseI or II (more later) 5. Dominance-a. Codominance- Both alleles are expressed in a gene (i.e. stripes) b. Semi/incomplete dominance- neither allele completely expressed in gene (i.e. blending) 6. Mutant alleles and their properties (refer to the chart prof. gave) 7. Pedigree Analysis a. Recessive- Progeny is affected & parent is not affected i. X-linked 1. Daugher- X always comes one from each parent 2. Son X from mom and Y from dad 3. Rare trait- assume outsider is homozygous for normal trait b. Dominant- progeny and a parent is affected i. X-linked 1. Mother passes trait on to all progeny 2. Father passes on only to daughter 8. Maternal Inheritance( very similar to Dominant X-linked except w/ the father not passing it on) a. Females pass trait on to all progeny b. Males never pass on trait 9. Disjunction(read)...
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