Multiple Choice
The functioning of enhancers is an example of which type of genetic interaction?
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3. Extensions to Mendelian Inheritance
Overview of interacting Genes
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Which of the following statements about linked genes is true?
A
Linked genes are located close together on the same chromosome and tend to be inherited together.
B
Linked genes are found on different chromosomes.
C
Linked genes always assort independently during meiosis.
D
Linked genes never undergo recombination.
Verified step by step guidance1
Understand the definition of linked genes: Linked genes are genes that are located close to each other on the same chromosome.
Recall that genes on different chromosomes assort independently according to Mendel's law of independent assortment, so linked genes cannot be on different chromosomes.
Recognize that linked genes tend to be inherited together because they are physically close, reducing the chance that recombination will separate them during meiosis.
Note that linked genes do not always assort independently; their proximity on the chromosome means they often violate independent assortment.
Remember that although linked genes are close, recombination can still occur between them, so they do not 'never' undergo recombination.
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