An organism has an inversion in one homologue of a chromosome pair. when its germ cells undergo meiosis, how many of its gametes will also carry the inversion (assume crossing over does not occur)?

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen

According to this food web which of the following would be considered primary consumers

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?