Topics: Heredity Quiz
Segments of DNA (Deoxyribonucleic acid) found in chromosomes that give instructions for producing a certain characteristic.
A. heredity
B. gene
C. allele
D. genotype
E. phenotype
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If two alleles are the same for a certain trait they are considered
A. Homozygous
B. Twins
C. Heterozygous
D. Common