K101 Exam 3 (lab and lecture)

Of the two divisions that occur in meiosis, the process of mitosis is most similar to

meiosis II

Other than the nucleus, were are other places where you can find DNA in eukaryotic organisms?

mitochondria chloroplasts

Shown here is a picture of an agarose gel. An EcoR1 digest of a circular plasmid called pGlo2 was loaded into the first well and run through the gel. Based on the fragment sizes shown, what is the total size of the pGlo2 plasmid, in base pairs (bp)?

6000

Separation of homologues occurs in ____, while separation of the sister chromatids occursin ___:

anaphase I, anaphase II

An animal with a diploid number of 36 chromosomes will have ________chromosomes in its gametes and _________ chromosomes in its somatic cells

18; 36

Non-disjunction of the 18th chromosome can lead to

Edwards syndrome

A mutation in a gene coding for histone proteins is likely to cause problems in mitosis because it may prevent DNA from _________.

forming chromatin

Which lab technique could be used to visualize the relative size of DNA fragments in a sample?

gel electrophoresis

Homologous chromosomes synapse or pair during:

prophase I

One of the biggest rewards of the discovery of restriction enzymes was that new genes could be introduced to bacterial genomes resulting in _____ that could be used to produce desired chemicals (like insulin from bacteria).

recombinant DNA

Which of the following events does not occur during meiosis I?

separation of sister chromatids