Transgenic mice carrying a mutant human SOD1 gene are used as models to study _____________________. Fill in the blank(s) with the appropriate word(s)

In which of the following would the most highly conserved sequences of nuclei acids be located?

(A) Structually critical regions of a polypeptide such as an active site region (B) The intron regions of pre-mRNA sequences (C) Ribosomal RNA sequences (D) Bacterial genes conferring antibiotic resistance

As beta diversity increases, one should generally expect to find the species composition of different habitats:

A) becoming more similar. B) becoming more different. C) staying about the same.

DNA encoding a normal gene is inserted into cells from a patient with a defective form of the gene. Recombinant cells are identified and isolated, and returned to the patient's body. This is an example of

A) gene therapy. B) genomics. C) genetic mapping. D) genotyping. E) biotechnology.

For any given species, cells in metaphase II of meiosis would contain two times more genetic material than cells in metaphase of mitosis.

Answer the following statement true (T) or false (F)