Why do cells have oncogenes?

A woman presents for her initial prenatal care visit. She is breast feeding her 8-month old son and her periods have been unpredictable and sporadic. Her urine pregnancy test is positive and you auscultate fetal heart tones just above the symphysis pubis. What is your next step to determine her EDD?

5-bromouracil, which can incorrectly pair with a guanine, is an analog of

A woman presents for her new OB visit. She discontinued medroxyprogesterone for birth control 8 months ago. She has not had a period for 1 year. She denies feeling fetal movement. Fundal height is halfway between the symphysis pubis and umbilicus. Your initial assessment for her gestation is:

DNA photolyase is involved in

How many new SNPs are found in your genome that aren’t in your parents’ genomes?

Which mismatch protein does NOT have a homolog in humans?

Genetic analysis of four generations of a family reveals that about 50% of the males in the family are affected by a mutation and about 50% of the females are carriers of the mutation that affects the males. What type of inheritance pattern is seen in this family?

Which of the following is least likely to introduce changes or mutations into DNA?

How long do repair enzymes have to fix mismatches that occur during S phase?