A lizard with striped tails is crossed with one having a spotted head, producing normal looking (no
stripes or spots) progeny. What progeny would be expected to be produced by mating one of these
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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A particular triplet of bases in the template strand of DNA is 5' AGT 3'. The corresponding codon for the mRNA transcribed is _____
A) UCA B) UGA C) TCA D) ACU E) either UCA or TCA, depending on wobble in the first base
Not including organisms in the Enterobacteriaceae family, the most common gram-negative bacilli encountered in clinical specimens are:
a. Pseudomonas. b. Burkholderia. c. Ralstonia. d. Vibrio.
You discover a new species in which DELLA and GID1 proteins are present, but in which they do not interact or influence growth. This organism might be (choose all that apply)
_____ a liverwort. _____ a lycophote. _____ a hornwort. _____ a moss. _____ an angiosperm.
The number of species in a community is called species
A) diversity. B) richness. C) composition.