Genes on which chromosome determines if the sex of a child will be male or female?
A) X
B) Y
C) 21st
D) 5th
E) 19th
Ans: B) Y
You might also like to view...
Pollutant degradation may be enhanced by
A. providing sufficient moisture. B. providing adequate nutrients. C. maintaining pH near neutrality. D. raising the temperature. E. All of the choices are correct.
The Solenopsis invicta (the red imported fire ant) has had an impact in four of the following areas. Which one is the
exception? a. They decrease the native ant population. b. They provide food for many bird species. c. They decrease ground bird populations. d. They decrease the native plant population. e. They threaten the survival of the Texas horned lizard.
Disturbances, such as fire, can sometimes increase coexistence between species and can increase diversity
Indicate whether the statement is true or false
Known for their great strength and adhesive properties, components of byssal fibers produced by ________ are being studied for a variety of applications from medical sutures to adhesives
A) Vibrio cholera B) Conus magus C) Crassotrea virginica D) Mytilus edulis E) Pfiesteria piscicida