Mendel's monohybrid cross of Tt parents resulted in a tall to short ratio of Select one:
a. 3:1.
b. 1:3.
c. 1:2.
d. 1:1.
e. 2:1.
a. 3:1.
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The clublike structure producing the spores of typical mushrooms is called a(n) _____.
Fill in the blank(s) with the appropriate word(s).
Which statement is true of all protists?
a. They exhibit true multicellularity. b. They are encased in silica-based shells. c. They contain complex organelles and nuclei. d. They live in large colonies of identical protists.
The dog (Canis familiaris) genome has recently been sequenced. About how many of the dog's genes are shared with humans?
What will be an ideal response?
The link between macrophages and neutrophils is that both cells
A. Have large granules in the cytoplasm B. Are phagocytes C. Have a life span of about 10 years D. Lack a nucleus E. recognize tumor and virus infected cells and kill them