| Study guide for Ch 9 test // |
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Chapter 9 - what are Mendel's three Laws? - define: heterozygous, homozygous, dominant, recessive, phenotype, genotype - know how to do a Punnett Square for: a) recessive, b) dominant, c) sex-linked disorders, and d) human blood groups - explain what happens in each of the following and give a specific example: incomplete dominance, co-dominance, multiple alleles - make sure you understand about sex chromosomes (see Fig. 9.22) - know how to calculate the PHENOTYPIC frequencies from a DIHYBRID cross - what are linked genes? what effect does cross-overs have on the genotypes and phenotypes of the offspring (compared to the parents)? how do you calculate recombination frequency? what does a gene linkage map show you? |