1- (a) A chromosomes with a(n) _____________________ has lost multiple contiguou

Question

1- (a) A chromosomes with a(n) _____________________ has lost multiple contiguous genes.

(b) A chromosome with a(n) _____________________ has the same number of genes as a normal chromosome, but the order of some genes with respect to others has been changed.

(c) A _________________________ is the product of breaks in two chromosomes that results in the reciprocal exchange of sections of the two chromosomes.

2- (a) Which of the following is an example of a transition? G-C base pair --> A-T base pair OR G-C base pair --> T-A base pair

(b) Which of the following is an example of a transversion? G-C base pair --> A-T base pair OR G-C base pair --> T-A base pair

(c) Of the types of gene mutations we’ve discussed to date, which type(s) may cause a shift in the reading frame of a gene, changing multiple codons ?

Explanation / Answer

1. (a) A chromosomes with a(n) _________deletion____________ has lost multiple contiguous genes.

b. A chromosome with a(n) ______mutation_______________ has the same number of genes as a normal chromosome, but the order of some genes with respect to others has been changed.

c. A _______gene ecombination/ crossing over__________________ is the product of breaks in two chromosomes that results in the reciprocal exchange of sections of the two chromosomes.

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