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Science Crossword-Leah Mastri

Across
A distinctive quality or characteristic
Traits that are passed down to the offspring
Two different alleles
Modifying and organism to improve it
The changing of the structure of a gene
The trait carried into the offspring but might not show up in the offspring
One of two or more alternative forms of a gene
The genetic constitution of an individual organism
Down
The passing of physical or mental characteristics to the offspring
The offspring of two different species or variety
The factor that influences living organisms
The offspring of selective breeding
Two of the same allele
A set of characteristics in an individual
The trait that will appear in the offspring