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Question 1

Heterozygous (heterozygote)

Answer 1

Alleles in a gene pair that are different

Question 2

Homozygous (homozygote)

Answer 2

Alleles in a gene pair that are identical

Question 3

Homologous Chromosomes

Answer 3

Chromosome pairs that have:same size; same centromere position; same banding patterns; same genes in the same location but different nucleotide sequences