Examlex
The Canadian Shield is mostly located in the Northern Frontier region.
Identical Twins
Genetically identical siblings conceived from a single fertilized egg that splits into two.
23rd Pair
Refers to the pair of chromosomes in humans that determines the biological sex of an individual; XX for female and XY for male.
Chromosomal Contribution
The genetic material that is passed from parents to offspring through reproduction, influencing the traits and characteristics of the offspring.
Gene Variation
Refers to the differences in the sequences of DNA among individuals, which contribute to the biological diversity seen within species.
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Q97: The Central American country that was a