Answered: A reciprocal translocation occurs in an…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

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A reciprocal translocation occurs in an individual between chromosomes 4 and 18, and this translocation causes a disease in the individual. What is the most likely reason chromosome mutation causes a disease?

a) The translocation causes a break in the chromosome in a gene regulatory region.

b) Chromosomes with a translocation cannot replicate.

c) An individual with a translocation has some genes duplicated.

d) An individual with a translocation has some genes missing.

Expert Solution

Step 1

Introduction :- Translocation is defined as the process , When any part of one chromosome detached from it and get attach somewhere else . It is of two types:- 1.intra-chromosomal translocation ( when portion of a chromosome break and reattach to another position in same chromosome)

2.inter-chromosomal translocation ( between two chromosome ) .it is also of three types:

1. Reciprocal ( when translocation occurs in the both Chromosomes)

2. Non-Reciprocal ( when , from one chromosome , segement is translocated to another but not in both)

3. Robertsonian translocation.