What concept is illustrated in the following example? A species of lotus produces five shades of flowers ranging from white to deep red. The color of the flower is deter-mined by 10 loci, each with two codominant alleles
What will be an ideal response?
ANS:
polygenic phenotypic variation
You might also like to view...
A radioactively labeled protein is made by cells and followed through the various organelles in the secretory pathway. After six hours, all of the radioactivity is still primarily in the Golgi apparatus. This suggests that the
A) protein was not translated by the ribosomes. B) protein does not possess a signal peptide for localization within the lumen of the rough endoplasmic reticulum. C) protein possesses a signal for localization within the Golgi apparatus. D) all of the above
Which of the following is found most often for protostomes?
a. spiral, indeterminate cleavage b. radial, indeterminate cleavage c. spiral, determinate cleavage d. radial, determinate cleavage e. radial cleavage in juveniles, determinant cleavage in adults
Respond to statements 117–121 in reference to the five items
listed below. a. antigens b. antibodies c. helper T cells d. cytotoxic T cells e. effector B cells E 117. These bind, as in a lock-and-key mechanism, to foreign proteins. D 118. These produce immunoglobulins in response to the reinvasion by a virus. D 119. These directly attack the foreign cells of an incompatible skin graft. M 120. An Rh+ molecule in the body of an Rh woman is an example of these. D 121. Proteins produced by these attack bacteria and viruses in the blood.
In a(n) monocot stem, vascular bundles are arranged in a circle. Indicate whether the statement is true or false