Multiple Choice
In mammals, in which parent could a chromosomal rearrangement result in an X chromosome carrying two different fur color alleles?
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6. Chromosomal Variation
Chromosomal Rearrangements: Overview
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What is the name for a chromosomal rearrangement that causes a change in gene dosage?
A
Altered
B
Uneven
C
Unfair
D
Unbalanced
Verified step by step guidance1
Understand the concept of chromosomal rearrangement: Chromosomal rearrangements involve changes in the structure of chromosomes, which can affect the number of copies of genes present.
Learn about gene dosage: Gene dosage refers to the number of copies of a particular gene present in a cell or organism. Changes in gene dosage can affect the expression levels of genes.
Identify types of chromosomal rearrangements: Common types include deletions, duplications, inversions, and translocations. Each type can have different effects on gene dosage.
Focus on unbalanced rearrangements: Unbalanced rearrangements result in a change in the number of copies of genes, leading to an increase or decrease in gene dosage.
Recognize the term 'unbalanced': In genetics, an unbalanced chromosomal rearrangement specifically refers to changes that alter gene dosage, affecting the organism's phenotype.
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