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iwaldron's picture

Genetic Linkage Explanation

You are correct that there are four different types of male gametes (as derived on the top half of page 8). The Punnett square will show the four different types of offspring that can result from the cross between this father (four types of gamete) and mother (one type of gamete). The Punnett square should allow the students to notice that the closely linked alleles for wings and fire-breathing will always be inherited together, but the alleles for wings and horns will be inherited independently since they are on separate chromosomes. The Punnett square should allow the students to answer the questions at the bottom of page 8 and on page 9. I don't want to be any more detailed on this public website, but if you have additional questions, please write me at .




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