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Genetics: The Science of Heredity

Across
Process by which the number of chromosomes is reduced by half when the sex cell forms
Has two different alleles for a trait
New organism begins to form when sperm and egg join
The factors that control a trait
Has two different alleles for a trait
The offspring of many generations that have the same form of a trait
Trait that always shows up when the allele is present
Allele that is hidden when the dominant is present
Down
Different forms of a gene
Describes how likely it is that an event will occur
Occurs when both alleles for a gene are expressed equally
Has two identical alleles for a trait
Chart that shows all the possible ways alleles can combine in a genetic cross
The passing of physical characeristics from parents to offspring
An organism's physical appearance
An organism's genetic makeup
The scientific study of heredity
Specific characteristic