A female child inherits one X chromosome from her mother and one from her father. What sex chromosome does a male child inherit from each of his parents?
What will be an ideal response?
An X from his mother and a Y from his father.
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All of the following will help slow the rate of increase of atmospheric CO2 except:
A. All of the answer options will help slow the rate of increase of atmospheric CO2. B. using solar power instead of fossil fuels to help conserve finite natural resources. C. using nuclear power to reduce the cost of energy production. D. driving more fuel-efficient cars. E. turning off the light in an empty room.
If the birthrate is 22 per 1000 per year and the death rate is 8 per 1000 per year, what is the population growth rate?
A. 22% B. 2.2% C. 0.8% D. 1.4% E. 14%
Honeybees must maintain specific temperatures to thrive. On hot days, the hive can quickly
overheat, so some bees will stand near the entrance and fan their wings to provide cool air currents into the hive. In winter, honeybees cluster together in their hives and vibrate their wings in a form of shivering to generate heat and maintain the hive at a constant temperature. This heating and cooling is a form of
a. homeostasis. b. evolution. c. competition. d. homology
Stimulation of pain receptors in an internal organ that is also felt in another area of the body is called ____ pain
a. Muscle b. Referred c. Deep d. Acute