An individual with the blood group genotype LMLN has the phenotype MN. What is the relationship between the LM and LN alleles?
A. pleiotropy
B. incomplete dominance
C. codominance
D. LN is dominant
C. codominance
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During the development of the vulva in Caenorhabditis, when the Notch ligand binds a Notch receptor on a progenitor cell:
A. signal transduction results in activation of a set of transcription factors. B. genes that produce the Notch ligand are transcribed. C. genes that produce the Notch receptor are inhibited. D. genes that produce the EGF receptor are inhibited. E. None of these choices are correct.
How are wastes carried to the kidney for removal?
a) in cells b) in the urine c) in blood d) in interstitial fluid
Which field of biology is concerned with the diversity and relatedness of organisms?
A) morphology B) phylogeny C) systematics D) evolution
M. J. Berkeley demonstrated that the great potato blight of Ireland was caused by a water mold (then thought to be a fungus).
Answer the following statement true (T) or false (F)