A lizard with a striped tail and a normal head crossed with one having a normal tail and a spotted head produce all
normal (no stripes or spots) F1 progeny. What progeny would be expected to be produced by mating either of the parental
lizards with another that had a striped tail and spotted head, if the genes conferring stripes and spots were close together
on the same chromosome?
a. equal numbers of normal, striped, spotted and striped, and spotted
b. 3 striped : 1 spotted
c. mostly progeny that are striped or spotted
d. mostly progeny that are normal or striped and spotted
e. 9 normal : 3 striped : 3 spotted : 1 striped and spotted
c
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In eastern Oregon, the mycelium of a single individual Armillaria ostoyae, a member of the fungal
phylum ____, covers an area equivalent to 1665 football fields (nearly 6000 m across).
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
The state of Texas passed a law to require
a. AED devices at all high school sporting events. b. AED training for all teachers in the state. c. CPR training for all parents of high school athletes. d. all AED’s to be tested on an animal prior to use in humans. e. none of these.
What are the 10 nm and 30 nm fibers?
What will be an ideal response?
Chlorosis in plants is a condition best explained by
A. lack of oxygen. B. lack of soil moisture. C. lack of water. D. lack of carbon dioxide. E. lack of certain minerals.