Which Cluster Is the Oldest

question 125

Multiple Choice

Which cluster is the oldest?

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Definitions:

Down Syndrome

A genetic disorder caused by the presence of an extra copy of chromosome 21, characterized by physical features, developmental delays, and varying degrees of intellectual disability.

Incomplete Dominance

A genetic phenomenon in which neither allele is dominant over the other, resulting in a phenotype that is a blend of both alleles.

Recessive Gene

A gene that expresses its traits only when paired with an identical gene, as opposed to a dominant gene's traits which can manifest with only one copy.

Heterozygous Pair

A genetic condition where an individual has two different alleles of a particular gene, one inherited from each parent.