Which statement best describes the composition of genetic material? *
O Genes and chromosomes are made of DNA
O Genes and chromosomes are made of RNA
Genes are composed of DNA, chromosomes are composed of RNA
O
O Genes are composed of RNA; chromosomes are composed of DNA

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.

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

What are positive impacts of algae? how is it used?