Which characteristics do all bony and jawless fish have in common? Check all that apply. backbone
swim bladder
scales
gills
bony skeleton

100 points if you answer correctly

One of the purposes of transcription is to produce a sequence of bases that

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.

Moving down the ramp from 6 meters to