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Chapter 2 PSYC 2103 Terms

Across
A fatal genetic neurological disorder.
A fatal genetic disorder in which mucus obstructs the lungs and pancreas.
The release of an ovum from an ovary.
A chromosomal abnormality characterized by intellectual disabilities and caused by an extra chromosome in the 21st pair.
A member of a pair of genes.
(HD), A fatal genetic neurological disorder whose onset is in middle age.
Phenylketonuria, a genetic abnormality in which phenylalanine builds up and causes intellectual disabilities.
A female sex hormone produced mainly by the ovaries.
Down
A male sex hormone produced mainly by the testes.
A genetic disorder that decreases the blood’s capacity to carry oxygen.
A trait that is expressed.
Dizygotic twins, twins that derive from two zygotes; fraternal twins.
Having two identical alleles.
A trait that is not expressed when the gene or genes involved have been paired with dominant genes.
Having two different alleles.