Growing useful mutants that develop from callus culture is called ____
a. fragmentation
b. protoplast fusion
c. somaclonal selection
d. grafting
e. apomixes
ANSWER: c
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In microarrays, the oligonucleotides that are attached have the fluorescent tag, whereas the DNA fragments being tested do not
A. true B. false
Decreases in CO2 concentration result in ____
a. faster breathing b. deeper breathing c. faster and deeper breathing d. slower and more shallow breathing e. slower breathing
Dominant traits remove recessive traits when both are present in the same individual
__________________ Indicate whether the statement is true or false.
There is some evidence that reptiles called cynodonts may have had whisker-like hairs around their mouths. If true, then hair is a shared _____
A) derived character of mammals, even if cynodonts continue to be classified as reptiles B) derived character of the amniote clade and not of the mammal clade C) ancestral character of the amniote clade, but only if cynodonts are reclassified as mammals D) derived character of mammals, but only if cynodonts are reclassified as mammals