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Answer Key
Grade 7 Science: Heredity — Genes, Traits & Variation
1.
gene
2.
offspring
3.
chromosomes
4.
alleles
5.
dominant
6.
recessive
7.
Variation
8.
allele/offspring
9.
a segment of DNA that carries instructions for a trait
10.
one form of a gene
11.
dominant shows with one copy; recessive typically needs two copies to show
12.
to predict possible allele combinations in offspring
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