Which of the following events does not occur during meiosis I?
a. DNA exchange
b. pairing of homologous chromosomes
c. separation of sister chromatids
d. separation of homologous chromosomes
e. crossing-over between homologous chromosomes
C
You might also like to view...
Viral infections are not considered a risk factor for autosomal trisomy because a virus cannot affect human chromosome arrangement
a. True b. False Indicate whether the statement is true or false
Plants open their stomata to obtain
a. carbon dioxide from air. b. oxygen from air. c. sugar from the roots. d. water from air
Allosteric inhibition generally results from
a. excess substrates. b. binding of regulatory molecules at sites other than the active sites. c. a change in the temperature of the system. d. a lack of coenzymes. e. changes in pH
The basic conceptual approach to phylogenetic tree building assumes that:
a. the logic that species with many character states in common are more closely related than those without. b. common characters are homologies. c. Both of the above. d. None of the above.