Part E: Lecture 38

Question 1

discovery of transposable elements (TE) by ___

Answer 1

Barbara McClintock

Question 2

Barbara McClintock two discoveries

Answer 2

1)Proved meiotic crossovers involved dsDNA breaks
2)Discovered TEs

Question 3

Transposable elements (def.)

Answer 3

genes that can move (insertion in new location)

Question 4

Transposable elements are found in _______

Answer 4

prokaryotes and eukaryotes

Question 5

TE make _____

Answer 5

one unique protein

Question 6

New insertions of TE can _____

Answer 6

disrupt genes

Question 7

Human chromosomes are ___TEs

Answer 7

45%

Question 8

TE are found where in chromosomes?

Answer 8

-introns
-space between genes

Question 9

polymorphic (def.)

Answer 9

the presence of two or more variant forms of DNA sequence

Question 10

some TE are ____

Answer 10

polymorphic