The asthenosphere is
just above the lithosphere
just below the lithosphere
the same as the lithosphere
not near the lithosphere

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.

Which individual below would be considered heterozygous? a.dd b.dd c.dd

Can yall plz me on this question im having a hard time think about it