Lab: Mouse Genetics (One Trait) — Cumulative exam Answers

Dr. Katherine Pollard, a biostatistical researcher, recently changed the method that she used to compare human and chimpanzee DNA. Her research showed that the differences between the two species’ DNA are in segments called switches, which turn certain genes on or off. What is the most likely outcome of Dr. Pollard’s research?

A patient is in need of hydration. Which type of solution are the patient’s cells most likely in?

Which organelle can be compared to a security guard who decides whom may enter a building and whom may not?

Line graphs that indicate time along the x-axis can be used to predict what would happen to dependent variables in an experiment at a later point in time

If Mendel had crossed a true breeding dominant plant with a true breeding recessive plant, in which of the three generations is the recessive trait visible?

Which method of sharing data best enables others to quickly see trends in the data?

Ali hypothesized that increasing fertilizer would increase plant growth. Four groups of thirty similar plants were given 0 to 15 ml of fertilizer, as shown in the graph. The change in plant height for each group over a two-week period was averaged and recorded.Plant GroupFertilizer Added (mL)Avg. Growth (cm)A04B56C108D153What is the best conclusion based on this data?

Sometimes new information results in minor changes to a theory. But sometimes new information results in a theory being discarded as incorrect. An example of an incorrect theory that was disproved by the discovery of new information is

Smooth muscle, which is a tissue made up of a type of specialized muscle cell, functions in which process?

Which of the following difference between DNA and RNA allows them to perform their unique functions?

Which career combines DNA technology and medicine?

In a scientific investigation of lakes, the depth of a lake is most likely to be measured in

Dani wants to measure the volume of a pebble. Which tool will give the most accurate measurement?

Which is a function of the cell membrane?

The structure of DNA resembles a twisted ladder. Which structural components form the rungs of the ladder?

How can a liquid be drawn into a pipette safely?

The table lists some organelles and functions. Only one pair is correctly matched.Functions of OrganellesOrganelleFunctionLysosomeStores water and waste materialsVacuoleBreaks down sugarsMitochondrion Breaks down waste materials and debrisRibosomeProduces proteins for the cellWhich organelle in the table is correctly matched with its function?

Which recent discovery led to a new understanding of how genetic mutations increase the risk of cancer?

Which is the first type of cell to differentiate?

A Venn diagram can be used to compare and contrast nucleic acids.Which characteristic would be correctly found in B?