What does it mean if there are two different alleles for a trait

They are know as heterozygous alleles.

Explanation:

Two IDENTICAL alleles are known as homozygous alleles.

I hope this helps you understand the difference, and as always, I am joyous to assist anyone at any time.

integrated circuit (ic) is defined as a set of electronic circuits on one small flat piece of semiconductor material, normally silicon. a functional electronic circuit requires transistors, resistors, capacitors, inductors, etc., and the connections between them.

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is