Examlex
By the close of the Paleozoic,all the continents had fused into the single super continent of ________.
Genotype
The genetic constitution of an individual organism, determining specific traits by its DNA sequence.
Aa
An abbreviation often used in genetics to denote a homozygous recessive genotype.
Homozygous Genotype
A genetic condition where an individual has two identical alleles for a particular trait.
AA
A common abbreviation for amino acids, which are the building blocks of proteins in biology.
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