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In the fundamentals of genetics, the traits of an organism are passed to its offspring on small coded strands of DNA material called what?
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1. Introduction to Genetics
Fundamentals of Genetics
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In fundamentals of genetics, an organism’s allele combination is called the:
A
Karyotype
B
Homozygous
C
Phenotype
D
Genotype
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Understand the definitions of the given terms: A 'karyotype' refers to the number and appearance of chromosomes in the nucleus of a cell, not the allele combination.
'Homozygous' describes an organism having two identical alleles for a particular gene, which is a specific type of allele combination but not the general term for all allele combinations.
'Phenotype' refers to the observable physical or biochemical characteristics of an organism, which result from the interaction of its genotype with the environment.
The term 'genotype' specifically refers to the genetic makeup of an organism, meaning the combination of alleles it carries for a particular gene or set of genes.
Therefore, the organism’s allele combination is called the 'genotype' because it directly describes the genetic constitution at the allele level.
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