In radishes, red and white are the pure-breeding
colors, and long and round are the pure-breeding
shapes, while the hybrids are purple and oval. The
cross of a purple oval with a purple oval
a. is a cross between two pure-breeding forms.
b. is an example of a testcross.
c. produces only homozygous pure-breeding
forms.
d. produces only heterozygous offspring.
e. none of these are true.
Answer: e
You might also like to view...
Humans are unable to get metabolic energy from cellulose because:
A. cellulose contains very little chemical energy. B. cellulose is not part of a normal diet. C. cellulose digesting enzymes are absent from the human gut. D. cellulose does not taste good. E. cellulose is present in large quantities in the gut.
How are bacteria the beginning and end of the nitrogen cycle? What will be an ideal response?
The probit model assumes what sort of distribution for the unobservables?
A. T-distribution B. Standard normal distribution C. Logistic distribution D. The probit distribution
Welwitschia has vessel elements, seeds on cones, and partially exposed megaspores, and is insect pollinated. It is classified as a gymnosperm but shares most of these features with the
A. hepaticophytes. B. pterophytes. C. bryophytes. D. angiosperms.