Blog

Feather color in budgies is determined by two different genes, Y and B, one for pigment on the outside and one for the inside of the feather. YYBB, YyBB, or YYBb is green; yyBB or yyBb is blue; YYbb or Yybb is yellow; and yybb is white.   A blue budgie is crossed with a white budgie. Which of the following results are NOT possible?

Consider the following diagram of a replication bubble. Solid lines represent parental DNA strands; dotted lines represent newly-forming daughter strands.  One of the leading strands has been labeled for you. Use this information to answer the next two questions.

Which term is used to describe the absence of all microbial life, including spores?

Who was the first European explorer to arrive in Florida?

Given the table of recombination frequencies, place the genes in the correct order from left to right on the genetic map.

Which of the following sequences shows the correct life cycle for humans?

Choose the correct labels for the ends of the parental DNA strands. D: [D] E: [E] F: [F] G: [G]

A 2 day old breastfeeding newborn delivered after normal spontaneous vaginal delivery has just been weighed. The nurse determines that the baby has lost 8% of their birth weight. Which action would be most appropriate?

Cyclin C and Cdk8 are active during G1 of the cell cycle and help control transcription of many genes. What would you expect is the specific function of Cdk8?

MPF (M-phase promoting factor) is responsible for initiating mitosis in cells. Once the cell completes mitosis, MPF must be deactivated to prevent further cell division. How specifically is MPF deactivated?