What are the basic building blocks of dna and rna?

One of the purposes of transcription is to produce a sequence of bases that

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other