sde Quiz Module 11 Quiz ASSIGNM × ??https://eagleonline.has.edu/courses/58059/qu

Question

sde Quiz Module 11 Quiz ASSIGNM × ??https://eagleonline.has.edu/courses/58059/quizzes/218243/take Question 7 10 pts When doing a dihybrid testcross involving two linked genes, crossing over accounts for the observed [1] babies (which will always add up to less than 50%). Question 8 10 pts When nondisjunction in one of the parents results in an individual that has three instead of two copies of a given chromosome, the individual is said to have a condition called a [1] aneuploidy Question 9 10 pts When a chromosomal fragment breaks off a chromosome. and rejoins the same chromosome in the opposite direction, we speak of atn) [1] mutation ip

Explanation / Answer

7. Crossing over accounts for the RECOMBINANT babies in the dihybrid test cross for two linked genes.

8. When an individual acquires an extra copy of a chromosome, he is said to be TRISOMIC for that chromosome.

9. When a fragment of a given chromosome breaks off and rejoins in reverse orientation, it accounts for INVERSION.

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