The mutation rate for the human species is ___
mutations per base pair per year.
a. 2.2 hundred
b. 2.2 thousand
c. 2.2 million
d. 2.2 billion
e. 2.2 trillion
D
You might also like to view...
Herbivory benefits _____
a. the herbivore c. both the herbivore and the plant b. the plant d. neither the herbivore nor the plant
Four of the five answers listed below are useful
to flowers as means of attracting vectors. Select the EXCEPTION.
a. nectar b. flower color c. color patterns d. pollen e. wind
Devices that set up multiple exchange rates between the currencies of two nations are known as
a. tariff quotas. b. export subsidies. c. exchange controls. d. variable currencies.
A couple has a child with Down syndrome. The mother is 39 years old at the time of delivery. Which of the following is the most probable cause of the child's condition?
A) The woman inherited this tendency from her parents. B) The mother had a chromosomal duplication. C) One member of the couple underwent nondisjunction in somatic cell production. D) The mother most likely underwent nondisjunction during gamete production.