HELP PLEASE I NEED THE ANSWER ASAP I'VE ASKED SO MANY TIMES

What does it mean for an allele to be dominant?

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called