In a testcross, if all the offspring show the dominant phenotype, then the individual with the unknown genotype was
A. heterozygous recessive.
B. homozygous recessive.
C. heterozygous.
D. a clone of the other testcross individual.
E. homozygous dominant.
E. homozygous dominant.
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Respiration is controlled by
(a) chemoreceptors. (b) stretch receptors. (c) centers in the brain stem. (d) all of the above.
All of the following are true about plasmids EXCEPT:
a. Plasmids are small portions of circular DNA found in bacteria. b. Plasmids often encode for genes that carry toxins or antibiotic resistance. c. Plasmids can be transferred from one bacterium to another. d. Plasmids contain DNA and are found in the nucleoid region of bacteria
Whee should a label be written on an agar plate?
What will be an ideal response?
Inability of the pancreas to produce insulin will result in