Multiple Choice
In fundamental genetics, what term describes an alternative form of a gene at a particular locus?
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1. Introduction to Genetics
Fundamentals of Genetics
Multiple Choice
In the context of the fundamentals of genetics, what part of DNA contains the information that codes for traits by specifying proteins or functional RNA products?
A
Phosphate groups in the sugar-phosphate backbone
B
Histone proteins
C
The hydrogen bonds between complementary bases
D
Genes
Verified step by step guidance1
Understand that DNA is composed of several structural components: the sugar-phosphate backbone, nitrogenous bases, and associated proteins like histones.
Recognize that the sugar-phosphate backbone (made of phosphate groups and sugars) provides structural support but does not directly code for traits.
Know that histone proteins help package DNA into chromatin but do not contain genetic information themselves.
Recall that hydrogen bonds between complementary bases stabilize the DNA double helix but do not carry the code for traits.
Identify that genes are specific sequences of DNA bases that contain the instructions to produce proteins or functional RNA molecules, which ultimately determine traits.
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