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Exercise 10.3: 13. What is the objective of this exercise? Observe & analyze crosses between fruit flies with respect to wing development and eye color. 14. For this exercise you will be using the FlyLab simulation program. 15. List the four phenotypes you will be investigating in this exercise? Vestigial (vg) the gene affecting wing development, which is recessive to the normal wing allele (Vg). The gene affecting eye is sepia (se) and the dominant eye color is red (Se). Exercise 10.4: 16. What is the objective of this exercise? To study multiple alleles using the ABO blood group as an example along with several other human traits that obey Mendel’s laws and show dominant-recessive inheritance 17. List the four blood phenotypes and the possible genotype of each! A – I A I A or I A i B – I B I B or I B i O - ii AB - I A I B 18. For each of the following, specify whether you have the trait or not (you will be asked to verify this in class as well): i) widow’s peak ------- Yes ii) cheek dimples------- Yes iii) tongue rolling------ Yes iv) crooked little finger ------ No v) Hitchhiker’s thumb-------- No
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