All disorders listed belo"in humans, the ability to roll the tongue is a dominant trait; the inability to roll the tongue is a recessive trait." if an individual homozygous dominant for this trait has a child with an individual who cannot roll his tongue, what is the chance that the child will have a heterozygous genotype

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

Which material is commonly used as a culture medium for living cells

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.