Which of the following correctly compared cloning and gene therapy?

(1) cloning is a type of biotechnology and gene therapy is not a type of biotechnology

(2) cloning is not a type of biotechnology and gene therapy is a type of biotechnology

(3)both cloning and gene therapy are types of biotechnology

(4) neither cloning nor gene therapy are types of biotechnology

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.