Polydactyly is a dominant trait. What symbol on a pedigree chart would represent a male who has polydactyly?
A) a half-shaded square
B) a shaded square
C) a half-shaded circle
D) a clear circle
B
Biology & Microbiology
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Many angiosperm species ____ animal pollinators
a. compete with b. Parasitic c. deter d. coevolved with e. avoid
Biology & Microbiology
What role is played by the hormone insulin?
a. regulating body response to stress b. regulating metabolic rate c. maintaining blood glucose homeostasis d. stimulating follicles in the female reproductive system
Biology & Microbiology
The characteristic dark color of a malignant melanoma is the result of the overproduction of what chemical?
1.melanin
2.keratin
3.collagen
4.elastin
Genetic markers that distinguish a self cell from a foreign invader are typically ________.
A. polysaccharides B. proteins or glycoproteins C. DNA or RNA D. lipids or lipoproteins
Biology & Microbiology