How many gametes result from meiosis in a
female human?
a. 0
b. 1
c. 2
d. 3
e. 4
B
You might also like to view...
Apoptosis is ____
a. cell determination b. cell induction c. a mechanism of cellular adhesion d. programmed cell death e. cell differentiation
In poultry, the genes for rose comb (R) and pea comb (P) produce walnut whenever they occur
together (R__ P__); single-combed individuals have the homozygous condition for both genes (rr pp). (a) Give the F1 and F2 phenotypic results of a cross of a pure-breeding rose comb (RR pp) with a pure-breeding pea comb (rr PP). (b) Give the phenotypic results of a cross of Rr Pp ? rr Pp. (c) Give the phenotypic results of a cross of RR Pp ? rr Pp. (d) Give the phenotypic results of a cross of Rr pp ? rr Pp. (e) Give the phenotypic results of a cross of Rr Pp ? rr pp. What will be an ideal response?
The severe diarrhea associated with cholera is brought about by
a. an associated virus. b. an enterotoxin. c. an exotoxin. d. a buildup of electrolytes. e. retention of water.
Choose the most appropriate answer response for each question.
A. guard cells B. sink C. tracheids and vessel elements D. mycorrhiza E. nodules F. sieve tubes G. cuticle H. companion cells I. transport proteins J. translocation K. vessel elements