Multiple Choice
Which of the following lists all possible genotypes for an individual when there are two alleles, A and a, for a given trait?
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1. Introduction to Genetics
Fundamentals of Genetics
Multiple Choice
Which of the following best describes genes in the context of chromosomes and heredity?
A
Genes are segments of a chromosome that are responsible for specific hereditary traits.
B
Genes are molecules that store energy for cellular processes.
C
Genes are entire chromosomes that determine the structure of proteins.
D
Genes are enzymes that catalyze DNA replication.
Verified step by step guidance1
Understand the basic structure of chromosomes: Chromosomes are long DNA molecules that contain many genes arranged linearly along their length.
Define what a gene is: A gene is a specific segment of DNA on a chromosome that contains the instructions to produce a particular protein or RNA molecule, which influences hereditary traits.
Recognize the role of genes in heredity: Genes carry the information passed from parents to offspring, determining inherited characteristics.
Differentiate genes from other biological molecules: Genes are not molecules that store energy, entire chromosomes, or enzymes; rather, they are specific DNA segments within chromosomes.
Conclude that the best description of genes is that they are segments of a chromosome responsible for specific hereditary traits.
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