A lizard with a striped tail is crossed with one having a spotted head, producing normal looking (no
stripes or spots) lizard progeny. What progeny would be expected to be produced by mating these
progeny with each other, if the genes conferring stripes and spots were on different chromosomes?
a. equal numbers of normal, striped, spotted and striped, and spotted
b. 3 striped : 1 spotted
c. 9 striped and spotted : 3 spotted : 3 striped : 1 normal
d. 9 striped : 3 spotted : 1 striped or spotted
e. 9 normal : 3 striped : 3 spotted : 1 striped and spotted
E
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a. life zone b. habitat c. niche d. limiting resource
Inhalation of respiratory secretions is involved in the transmission of all of the following except ________.
A. legionella B. influenza C. SARS D. diphtheria E. rhinitis
How many electrons are in the second electron
shell of a phosphorus atom?
a. 1 b. 2 c. 3 d. 5 e. 8
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a. H. erectus b. H. sapiens c. H. neanderthalensis d. H. habilis e. H. floresiensis