Question

genes are segments of dna that are the basic unit of heredity. they are passed on from parent to offspring.
the gene form of a trait is called a(n) allele.
an organisms allele combination is called the genotype.
the physical appearance of an organism is called the phenotype.
complete
there are two types of alleles. an allele that masks another is the dominant allele. the one that is masked is called the
an organism that has th
an organism that has di
done

Explanation:

Alleles are different forms of a gene. A dominant allele can mask the expression of another allele. The allele that gets masked is called recessive. This is a fundamental concept in genetics related to how traits are inherited and expressed.

Answer:

recessive