Question

The physical appearance of an organism is known as its

A. genotype
B. phenotype
C. allele
D. testcross

Answer 1

B.Phenotype

Step-by-step explanation:

The term "phenotype" refers to the observable physical properties of an organism; these include the organism's appearance, development, and behavior. An organism's phenotype is determined by its genotype, which is the set of genes the organism carries, as well as by environmental influences upon these genes.