In the fundamentals of genetics, what term refers to a version of a gene that can define a trait?

In fundamental genetics, an organism's phenotype is best defined as which of the following?

Which of the following is an example of a genotype (the allele combination an individual carries for a gene)?

Which option best describes a phenotype in genetics?

In fundamental genetics, what term describes the different forms of a gene?

In a diploid organism, which genotype is heterozygous at a single gene locus?

In fundamentals of genetics, what term describes different forms of the same gene at the same locus?

Which of the following is an example of a genotype (the allele combination an individual carries for a gene)?

In the context of fundamentals of genetics, which of the following is NOT a phenotype?