Multiple Choice
In humans, each person's DNA sequence is unique except for which individuals, who typically share (nearly) identical nuclear DNA?
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1. Introduction to Genetics
Fundamentals of Genetics
Multiple Choice
In genetics, what is an organism’s genotype?
A
The specific alleles an organism carries for a gene or set of genes
B
The observable traits expressed by an organism
C
The complete set of environmental factors influencing an organism’s development
D
The total number of chromosomes an organism has in its somatic cells
Verified step by step guidance1
Understand that genotype refers to the genetic makeup of an organism, specifically the alleles it carries for a particular gene or set of genes.
Recognize that alleles are different versions of a gene that can influence traits in various ways.
Distinguish genotype from phenotype, where phenotype is the observable traits expressed by the organism, which result from the interaction of genotype and environment.
Note that environmental factors and chromosome number are related to an organism's development and genetic structure but are not definitions of genotype.
Conclude that the genotype is best described as the specific alleles an organism carries for a gene or set of genes.
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