Some people can roll their tongues into tubes and some can't.Tongue-rolling ability and inability to tongue roll are two versions of the same gene.Each version is called
A) a genotype.
B) a phenotype.
C) a reaction range.
D) an allele.

Question

Quizplus · Accepted Answer

The two versions of the gene for tongue-rolling ability are called alleles. Genotypes refer to an individual's specific combination of alleles, while phenotypes refer to observable traits resulting from the expression of those alleles. Reaction range refers to the range of possible phenotypic outcomes based on an individual's genotype and environmental factors.

Some People Can Roll Their Tongues into Tubes and Some