Tt is-?

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Study for the 9th Grade Biology SOL Test. Prepare with flashcards and multiple choice questions, each featuring hints and explanations. Get ready for your exam!

Multiple Choice

Tt is-?

Explanation:
Two different alleles comprise this genotype, making it heterozygous. In genetics, capital T and lowercase t represent different alleles of the same gene: T is the dominant allele and t is the recessive allele. When the two alleles differ (one dominant, one recessive), the organism is heterozygous. If both alleles were the same, it would be either TT (homozygous dominant) or tt (homozygous recessive). The term genotype is the broader label for an organism’s genetic makeup, and Tt is a specific example that describes heterozygosity.

Two different alleles comprise this genotype, making it heterozygous. In genetics, capital T and lowercase t represent different alleles of the same gene: T is the dominant allele and t is the recessive allele. When the two alleles differ (one dominant, one recessive), the organism is heterozygous. If both alleles were the same, it would be either TT (homozygous dominant) or tt (homozygous recessive). The term genotype is the broader label for an organism’s genetic makeup, and Tt is a specific example that describes heterozygosity.

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