If a piece of DNA has 600 adenines, how many thymines should it have?

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

What are the pros and cons of quadrat sampling?

In guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?