Why is it safe to put sodium chloride on fish and chips but not safe to use sodium and chloride?

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.