study questions 14

study questions 14 - wild type produces all long stemmed,...

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Study questions 14 1. Pure blue eyes are recessive. Brown eyes are dominant. A blue eyed woman married to a brown eyed man, Joe, has a blue eyed baby. Is the husband the father? 2. The same couple are having a second baby. What is the probability that the baby will be brown-eyed? 3. This first couple divorces and the Joe marries a brown eyed woman, Sally, whose mother is blue-eyed. What is the chance that they first baby is blue eyed? 4. Jerry, a son of Sally and and Joe is brown eyed. He marries Jasmine, a brown eyed woman whose sister is blue-eyed. What is the probability that the first child of Jasmine and Jerry is blue-eyed? In the following questions, assume no linkage exists between the involved genes: 5. A pure breeding arabidopsis has a short flowering stem and petal-less flowers, while the wild type has a long stem and petalled flower. A cross of the short, petal-less arabidopsis to the
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Unformatted text preview: wild type produces all long stemmed, petal-less plants. What could this mean? 6. You cross the F1 to the wild type. What do you expect? 7. You cross the F1 to the short, petal-less line. What do you expect? 8. You self the F1. What do you expect? 9. The following heterozygote, AaBbCcDdEe, is crossed to a line with genotype aabbccddee. What is the probability that the first progeny has the following genotype: AaBbccDdEe? 10. The following heterozygote, AaBbCcDdEe, is selfed. What is the probability that the first progeny has the following genotype: AaBbccDdEe? 11. A gamete produced by the above heterozygote has the following genotype: AABcDE. Ex-plain its significance. 12. The heterozygote AaBbCcDdEe is crossed to a line with genotype aaBbccDdee. What is the probability that the first progeny has the following genotype: aabbccDdee?...
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This note was uploaded on 06/07/2009 for the course BIS BIS2A taught by Professor Lucacomai during the Spring '09 term at UC Davis.

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