Which is not true of cadherin proteins?
A. They are cell adhesion molecules.
B. An endodermal cadherin can only bind to an endodermal cadherin.
C. They maintain the different germ cell layers.
D. They establish morphogenic fields.
E. They ensure that certain cells will move together.
D. They establish morphogenic fields.
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Microspore mother cells produce microspores. What do microspores then develop into?
A. egg cells B. pollen grains C. synergids D. endosperm E. megaspores
Individuals who have a disease such as melanoma do not necessarily have offspring with melanoma. However, individuals with Huntington disease often do pass it on to their offspring. What accounts for the difference in the heritability of the two diseases?
What will be an ideal response?
Which of the following is a dihybrid cross?
a. RrMM ? Rrmm b. RRMM ? rrmm c. RrMm ? RrMm d. rrMM ? RRmm e. RrMm ? rrmm
Summarize the concerns related to the use of transgenic crops What will be an ideal response?