when a single non disjunction event occurs in meiosis Hints 1 If a diploid cell...
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when a single non disjunction event occurs in meiosis Hints 1 If a diploid cell has n pairs of chromosomes how many chromosomes does it have 2 Are gametes diploids or haploids Question 2 P F1 F2 AABB x aabb AaBb x tester 4 5 pts You obtain an F1 dihybrid by crossing the parents AABB x aabb You perform a test cross of the dihybrid AaBb and score the phenotypes of 1 640 progeny Assuming a frequency of recombination of 17 how many of the progeny do you expect to display the recessive phenotype for both the a and b genes Round to nearest integer Hints 1 What is the genotype of the tester line 2 Is the phenotype in question the product of one of the parental chromosomes or a recombinant chromosome 3 Do you need to use the given recombination frequency or the frequency of no recombination 2
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