Explain why offspring of plants exposed to radiation may have characteristics not four in the original population

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele