Question

what law states that one trait masks another trait?
the law of acquired characteristics
the law of recessiveness
the law of gregor mendel
the law of dominance

Explanation:

The Law of Dominance states that in a heterozygous individual, the dominant allele masks the expression of the recessive allele. The Law of Acquired Characteristics is Lamarckian and not related to masking traits. The Law of Recessiveness is not a standard Mendelian law in this context. The Law of Gregor Mendel is too broad.

Answer:

The Law of Dominance