BIS 101 Study Guide - Comprehensive Final Exam Guide - Phenotype, Gene, Chromosome
19 Nov 2018
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In class quiz will also have a collaborative element: exams are in the lecture hall, answers to clicker questions will be posted after lecture. It is a required step to pass on that information to the next generation or next cell. In a single individual diploid organism, there can be one or two alleles of a given single- copy nuclear gene (a single gene) in a somatic cell (heterozygous or homozygous: they are either the same or different. You make mutations to the hox gene to cause a loss of function, which results in ribs where there shouldn"t be ribs. So, based on these results, we can infer that the gene"s normal function is to repress rib development: wildtype the most common for. Bar between (from the middle of) two individuals = mating. If genes are unlinked, you would expect a 1:1:1:1 ratio of possible progeny genotypes when crossing a dihybrid in a testcross.
