2CO3Test1practiceAnswers

2CO3Test1practiceAnswers - Biology 2CO3 Genetics Winter...

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1 of 4 Biology 2CO3 Genetics. Winter 2011. Practice questions for Test #1. Part A. 1.The following genotype, A/A ; B/b ; c/c ; D/d , represents an individual that is a a) monohybrid b) dihybrid c) trihybrid d) tetrahybrid e) true-breeding 2. You cross a pea plant of unknown genotype to a tester plant that is homozygous recessive for green seeds ( y/y ). You find that all of the 1000 progeny are yellow. What is the likely genotype of the unknown plant? a) Y/Y b) Y/y c) y/y d) this test does clearly tell you the genotype e) you need to perform the next generation F1 cross to figure this out 3. You cross a pea plant of unknown genotype to a tester plant that is homozygous recessive for green seeds ( y/y ). You find that all of the progeny are yellow or white at a ratio of 1:1. What is the genotype of the unknown plant? a) Y/Y b) Y/y c) y/y d) this test does clearly tell you the genotype e) you need to perform the next generation F1 cross to figure this out 4. You are studying fur coloration in guinea pigs.
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This note was uploaded on 11/26/2011 for the course BIOLOGY 2c03 taught by Professor Dej during the Spring '11 term at McMaster University.

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2CO3Test1practiceAnswers - Biology 2CO3 Genetics Winter...

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