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Sex-linked inheritance - Inheritance linked to the sex chromosomes (the X

or Y chromosomes).

(Mendel’s) Law of segregation - Mendel’s law postulates that each organism
receives two copies of its genes (what he called

“inheritance factors.” Furthermore, when reproducing (sexually) they can
only give one copy, such that each offspring receives one paternal and one
maternal copy of the gene.

Traits - A genetically determined characteristic.

Wild-type - An organism having an appearance that is characteristic of the
species in a natural breeding population. Or, the form or forms of a gene
commonly occurring in nature in a given species.

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