What is an individual who carries two different alleles of a gene is termed?

Write a paragraph explaining why the effect of mutations can vary widely - from neutral to harmful to beneficial

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water