In sweet peas, genes C and P are necessary for colored flowers. In the absence of either (__ pp or cc
__), or both (cc pp), the flowers are white. What will be the color of the offspring of the crosses in
what proportions for the following?
(a) Cc Pp ? cc pp
(b) Cc Pp ? Cc Pp
(c) Cc PP ? Cc pp
(d) Cc pp ? cc Pp What will be an ideal response?
(a) 1/4 color, 3/4 white
(b) 9/16 color, 7/16 white
(c) 3/4 color, 1/4 white
(d) 1/4 color, 3/4 white
You might also like to view...
To ensure growth of a newly discovered bacterium with unknown nutritional requirements, it would be best to begin with a ________ medium rather than a ________ medium
A) complex / minimal B) minimal / complex C) selective / complex D) selective / differential
Nearsightedness is caused by
a. eye structure that focuses an image in front of the retina. b. uneven curvature of the cornea. c. uneven curvature of the lens. d. eye structure that focuses an image posterior to the retina. e. all of these.
Chromatids that are attached at the centromere are called what kind of chromatids?
a. mother b. daughter c. sister d. programmed e. either mother or daughter
A primary source of carbon for photosynthetic organisms is:
a. carbon dioxide in the atmosphere and water. b. bicarbonate in the water. c. nitrate in the soil. d. dissolved phosphate in water. e. carbonic acid in rain.