Scelta multipla
In the fundamentals of genetics, DNA and RNA are examples of which type of biological molecule?
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1. Introduction to Genetics
Fundamentals of Genetics
Scelta multipla
In fundamentals of genetics, what term describes different forms of the same gene found at the same locus?
A
Phenotypes
B
Centromeres
C
Alleles
D
Chromatids
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Understand that a gene is a segment of DNA that codes for a specific trait and is located at a particular position called a locus on a chromosome.
Recognize that different versions or variations of the same gene that exist at the same locus are called alleles.
Note that alleles can result in different expressions of a trait, which are observed as phenotypes, but phenotypes themselves are not the gene variants.
Recall that centromeres are the regions of a chromosome where sister chromatids are held together, unrelated to gene variants.
Remember that chromatids are identical copies of a chromosome formed during DNA replication, also unrelated to different gene forms.
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