Upper - and Lower case letters ar used to represent the two forms of one ???

Question

A. allele

B.gene

C. chromosomes

D.factor

Answer 1

The two forms of a GENE.

Alleles are what we call the different forms of a gene, so B might represent the dominant allele and b the recessive allele. Think of alleles as flavors - like flavors of ice cream. It's all ice cream, but it doesn't have to be the same kind.

Answer 2

letters show how two objects can be come one

2=get it

be cusion