Do you think it is important for humans to be aware of how we alter the genetic and species diversity of groups of organisms?

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition. b) one-fourth of the daughters of an affected man would have this condition. c) one-half of the daughters of an affected father and a carrier mother could have this condition. d) only if a woman is xxx could she have this condition.

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above