Discussion Forum : Genetics
Question - What does heterozygous mean?
Options:
A .  An organism that has the same genes for a trait (TT or tt)
B .  An organism that has different genes for a trait (Tt)
C .  When neither gene is fully dominant; offspring is a mixture of both
D .  the different forms of a trait (hair color--> brown, blonde, red
Answer: Option B

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