Pregnant women generally need to take a supplement that contains

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides

Which of these is not a nucleotide base found in dna?

Is this mrna or rna need need the answer in a hurry