Practice questions set #12

Question 1

Genetics
Review the figure relating to the cross with Morgan’s flies pr pr vg vg and pr+pr+vg+vg+
. Explain the difference between the two predicted ratios.

Answer 1

Go to the tablet an see the answer

Question 2

Explain why Morgan’s results did not match either prediction. Draw the chromosomes
corresponding to the reason you provided.

Answer 2

Go to the tablet and review the answer with the drawing if you cannot recall it.

Question 3

Explain why Morgan’s results did not match either prediction. Draw the chromosomes
corresponding to the reason you provided.

Answer 3

Go to the tablet and review the answer with the drawing if you cannot recall it.

Question 4

What does a frequency of recombination of 50% indicate?

Answer 4

Go to the tablet and review the answer with the drawing if you cannot recall it.

Question 5

Meiosis

Define euploidy and aneuploidy

Answer 5

Go to the tablet and review the answer with the drawing if you cannot recall it.

Question 6

What is uniparental disomy? How could it happen?

Answer 6

Go to the tablet and review the answer with the drawing if you cannot recall it.