Scelta multipla
In basic genetics, what term describes one of a number of different forms of a gene at a particular locus?
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1. Introduction to Genetics
Fundamentals of Genetics
Scelta multipla
In fundamentals of genetics, what term describes a different form of a gene found at the same locus on homologous chromosomes?
A
Codon
B
Phenotype
C
Chromatid
D
Allele
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Understand that genes are segments of DNA located at specific positions called loci on chromosomes.
Recognize that homologous chromosomes are pairs of chromosomes, one inherited from each parent, that have the same genes at the same loci.
Learn that different versions of the same gene at a particular locus are called alleles.
Note that alleles can vary in their DNA sequence, leading to different traits or phenotypes.
Distinguish alleles from other terms: a codon is a sequence of three nucleotides coding for an amino acid, a phenotype is the observable trait, and a chromatid is one half of a duplicated chromosome.
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