A cross between two nematode roundworms, one that moves normally and one that rolls in circles, results in 50% offspring with normal motion and 50% offspring that roll in circles. A.  Predict the genotypes of the parent worms. (2 points) B.  Explain your reasoning.  Include a Punnett square (use the “insert table” function) that supports your prediction (4 points).

For each of these processes, list each letter along with whether that process is present in prokaryotes only, eukaryotes only, both prokaryotes and eukaryotes, or neither. RNA is synthesized in the 5′ to 3′ direction. Transcription can be regulated by cis-acting proteins. Transcription occurs at the same time as RNA processing. Transcription can be regulated by attenuation.

Which of the following molecules would be likely to block division of cells expressing a MAPK mutant that is always active? Assume that the MAPK mutant is the only mutation in these cells.

Which of the following is a typical requirement for cancer development?

In Drosophila, white eyes are inherited in an X-linked manner. In a cross between red-eyed flies, all female offspring have red eyes, while half of their male offspring have white eyes. The female parent must be ___________.

A plant that is homozygous recessive for mangled leaf and prickly fruit (mmpp) is crossed with the double heterozygote (MmPp), resulting in 1047 offspring: 472 with mangled leaves (mP), 453 with prickly fruit (Mp), 63 wild type (MP), and 59 with mangled leaves and prickly fruit (mp). From these data, you can conclude that ________.

Which of the following techniques would be useful in determining whether a proto-oncogene (the gene itself) is amplified in the genome of a cancer cell?

An ESE of ___________ mGya is the average dose for a fluoroscopic exam.

Mean marrow dose is used to estimate, on a population basis, the risk of one late effect of radiation, which is _______________.

Proteasome inhibitors are used to treat some types of cancer. These inhibitors will directly affect which type of gene expression regulation?