Nutrients enter a cell the concentration gradient by the process of

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.

Physical characteristics of down syndrome

What tool do geneticists use to predict the outcome of genetic crosses? a.karyotype b.punnett square c.centrifuge