Which action is unable to produce variation?
a. crossing over
b. random alignment of chromosomes during meiosis
c. asexual reproduction
d. genetic recombination of alleles
e. sexual reproduction
ANSWER: c
You might also like to view...
HIV may be present in
A. blood. B. semen. C. tears. D. vaginal secretions. E. blood, semen AND vaginal secretions.
In the case of phage lambda, termination of lysogeny and entry into the lytic cycle usually occurs in response to environmental damage to the host DNA.
Answer the following statement true (T) or false (F)
A gene that produces multiple effects is called
a. a multiple allele. b. an autosome. c. an epistatic gene. d. a pleiotropic gene. e. an incompletely dominant gene.
The green sulfur bacteria ________.
A. deposit granules of sulfur outside the cell B. deposit granules of sulfur within the cell C. do not deposit granules of sulfur D. deposit granules of sulfur within and outside the cell