it is necessary to i herit the same faulty dominant gene from both parents for a birth defect to occur. trud or false?

True or false? the usa has one of the safest food supplies in the world

Which of the following identifies a main culprit for america’s increasing weight gain

Why do rna viruses appear to have higher rates of mutation? a) rna nucleotides are more unstable than dna nucleotides.b) replication of their genomes does not involve proofreading.c) rna viruses can incorporate a variety of nonstandard bases.d) rna viruses are more sensitive to mutagens.