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SP08-SQ1Trenham[1] - 1B Trenham Mendelian Genetics Study...

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1B Trenham Spring 2008 – SQ1 -1- Study Questions Set # 1 Mendelian Genetics 1. An unfertilized chicken egg contains 39 chromosomes. Is this egg haploid or diploid? Cells taken from a chicken feather have _________ chromosomes. 2. In a few sentences outline Mendel's first and second laws and how they relate to events during meiosis. 3. Mr. Mendel lets a pea plant heterozygous (Tt) at the height locus self fertilize and it produces 200 offspring. What phenotypes and genotypes are predicted in what numbers? 4. If an adult male has the genotype AABbcc, list all the possible sperm genotypes which could be produced by this male. 5. List the genotypes of all the different gametes that could be formed by an individual with the genotype RrSsTt. 6. How many different types of eggs could a female with the genotype RRssTT make? 7. If a female has the genotype AABbCc, what is the probability that any one of her gametes will have the genotype Abc?
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