Multiple Choice
Which of the following structures are held together by cohesin during cell division?
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3. Extensions to Mendelian Inheritance
Overview of interacting Genes
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An inherited structure that has lost much of its original function is called:
A
a homologous structure
B
an analogous structure
C
a vestigial structure
D
a dominant allele
Verified step by step guidance1
Understand the definition of each term given in the options: homologous structure, analogous structure, vestigial structure, and dominant allele.
Recall that a homologous structure refers to anatomical features in different species that share a common ancestry but may have different functions.
Recognize that an analogous structure refers to features that serve similar functions in different species but do not share a common ancestry.
Identify that a vestigial structure is an inherited anatomical feature that has lost much or all of its original function through evolution.
Note that a dominant allele is a genetic term referring to an allele that expresses its trait even when only one copy is present, which is unrelated to anatomical structures.
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