alleryIdentical twins have the same genotype, yet always differ slightly in:
Aphenotype
Bchromosomes
CDNA sequence
Dgene variants
Answer & Solution
Correct answer: A. phenotype
1. Identical twins share the same genome, so the same genotype.
2. They never have exactly the same phenotype, though their phenotypes may be very similar.
3. Chromosomes, DNA sequence and alleles are the same, so the differences lie in observed traits.
_Source: Wikipedia, "Genotype–phenotype distinction" (rev 1357572081), section "Overview"_
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