Question

what is a genotype?
an actual physical trait resulting from alleles
the written expression of two alleles
a different version of a gene
a specific characteristic of a living thing

Explanation:

A genotype is the genetic constitution of an organism, represented as the written expression of two alleles. An actual physical trait is a phenotype. A different version of a gene is an allele. A specific characteristic of a living - thing can be a trait in general terms.

Answer:

B. The written expression of two alleles