Two heterozygous individuals reproduce and have four offspring, which answer includes all of the possible genotypes of offspring?
A TT, tt
B. TT, Tt tt
C. TT, TT
D. Tt

Why aren't the stains like crystal violet and safranin washed away with water during simple staining?

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now