Help ASAP!! Timed test/quiz What is a change in the sequence of DNA base pairs called?

A. an allele
B. a mutation
C. mitosis
D. meiosis

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

Error analysis: what might be the reason that some of your percentages didn't exactly match your predicted results? gametes aren't responsible for inheritance. mice don't have large litters, so the sample size was not large enough. the wrong type of mice were used.