About 99% of the solid Earth is made up of A.
about half of the known elements.
B.
a small fraction of the known elements.
C.
just one of the known elements.
D.
most of the known elements.

Suppose a dominant allele codes for a big nose and a recessive allele codes for a small nose imagine that an organism receives a dominant allele from its mom and a dominant allele from its dad. what can be determined about its genotype and phenotype?