Instructor: Dr. Tadjuidje Semester: Fall 2017 Student\'s Name (Please Print).Ork

Question

Instructor: Dr. Tadjuidje Semester: Fall 2017 Student's Name (Please Print).Orknad 100 Test: Final Grade Part l: Multiple-Choice Questions(2 points each) 1. Which of the following will lead to ancuploidy? a. The loss of a single chromosome. b. The duplication of a whole chromosome c. The duplication of the whole set of chromosomes d. The duplication of a portion of one chromosome e. a and b. 2. Which of the following is an alteration of chromosome structure a. The duplication of a whole chromosome. b. The loss of a single chromosome. c. The duplication of the whole set of chromosomes d. The loss of a portion of one chromosome. e a and b. 3. Which of the following will lead to polyploidy? a. The duplication of a whole chromosome b. The loss of a single chromosome c. The duplication of the whole set of chromosomes. d. The duplication of a portion of one chromosome. a and b The human chromosome 2 is a result of the fusion of two ancestral chromosomes; this evolutionary change in human chromosome structures is an example of 4. a. Insertion. b. Inversion. c. Duplication. d. Deletion. e. None of the above 5. Human globin genes are the result of a sequential of an ancestral globin-like gene. a. Insertion b. Inversion. c. Duplication d. Translocation e. Deletion

Explanation / Answer

Q1) option e - both a and b

Aneuploidy is the presence of an abnormal number of chromosome in a cell, example a human cell having 45 or 47 chromosome in place of 46 chromosome

Q2) option e - both a and b

Alteration of chromosome can be a missing or an extra chromosome.

Q3) option a - duplication of a whole chromosome

polyploidy is when the number of chromosome in an organism doubles.

Q4) option a- insertion

insertion is the addition of one or more nucleotide base pairs into a DNA sequence.

NOTE: According to chegg policy we can answer maximum upto 4 questions at once.

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