Recombination at the synaptonemal complex always results in ____
a. two changed and two unchanged chromatids
b. four unchanged chromatids
c. four changed chromatids
d. a random number of changed vs. unchanged chromatids
e. one unchanged and three changed chromatids
ANSWER: a
You might also like to view...
The function of BMP4 is to ____________ while the function of gremlin is to __________ BMP4.
A. cause apoptosis (cell death); inhibit. B. cause mitosis; enhance production of. C. inhibit growth; enhance. D. enhance growth; enhance. E. cause apoptosis (cell death); enhance.
Phage-encoded enzymes are
A. all produced simultaneously. B. produced in a sequential manner. C. strictly host enzymes. D. used to customize the cell for viral production. E. produced in a sequential manner AND used to customize the cell for viral production.
Twins are concordant for a trait when ____
a. both twins share the trait with at least one parent b. only identical twins have the trait c. only fraternal twins have the trait d. both twins have the trait e. all of the twins’ siblings have the trait
Molecules that are involved in the regulation of gene expression, which are usually comprised of proteins?
(A) translation factors (B) RNA polymerase (C) RNA codons (D) transcription factors