Alleles are basically the different versions of the genes that can be present in an individual. These forms may either carry the dominant or the recessive character of the trait.
Physically, what are different alleles?
A. Different alleles are different DNA sequences found at the same locus on homologous chromosomes.
B. Different alleles are defferent DNA sequences found at the same locus on sister chromatids.
C. Different alleles are different particles found in gametes.
D. Different alleles are different phenotypes for a particular character.
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What scientific concept do you need to know in order to solve this problem?
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