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Title: Genetics Crossing Dominant and true breeding Post by: MikeMello on Feb 17, 2015 1. The ability to curl one’s tongue into a U-shape (Q) is dominant to noncurlers (q). A curler woman has a father who is a noncurler. She has five children with a noncurler man. What is the probability that four children are curlers and the other is a noncurler?
2. Your lab is investigating the genetics of a new species of beetle. You have isolated a truebreeding line that has blue bodies and short antennae, and another with green bodies and long antennae. Crossing these lines yields F1 progeny with blue shells and long antenna. The F1 progeny were then crossed with beetles that have green bodies and short antennae, yielding the following progeny: Progeny phenotype Count Blue body, long antennae 35 Green body, short antennae 25 Blue body, short antennae 74 Green body, long antennae 66 Total 200 Calculate the recombination frequency between these loci. Show your work |