Special cells found in the gonads that give rise to gametes upon division are called
a. germ cells.
b. somatic cells.
c. stem cells.
d. basal cells.
e. egg cells.
A
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After PCR, the amplification control has failed to yield a product. What should you do?
a. Report out Indeterminate b. Report out Negative because there was no amplification from the sample c. Check the original DNA or RNA prepara-tion. If it is adequate, repeat the amplifi-cation. If not, re-isolate the nucleic acid. d. Repeat it using a higher concentration of amplification control in the reaction.
The chromosomal DNA is duplicated in which stage of the cell cycle?
a. prophase I b. metaphase I c. interphase d. prophase II e. anaphase II
Sympatric speciation that occurs via autopolyploidy is most often seen in what kind of organisms?
a. bacteria b. fish c. birds d. plants
Genome-wide association studies are identifying many genes that may affect disease risk. Describe how GWAS is used to determine if a mutation or gene may be a risk factor for disease
What will be an ideal response?