Predict what would happen if a chromosome only connected to the mitotic spindle at one of its kinetochores?
A. One of the daughter cells would have an
extra copy of that chromosome.
B. The sister chromatids would not separate.
C. The chromosome would not line up
properly at metaphase.
D. All of the above are correct.
D
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All of the following are model organisms whose genomes were sequenced as part of the original
Human Genome Project except
a. Mus musculus (mouse) b. Escherichia coli (bacteria) c. Drosophila melanogaster (fruit fly) d. Caenorrharbditis elegans (nematode) e. Danio rerio (zebrafish)
Which endocrine gland is the main center for control
of the internal environment? a. pineal and thymus b. hypothalamus c. thyroid and parathyroids d. adrenal cortex and adrenal medulla e. pancreas and gonads
Hershey and Chase tagged the DNA of viruses with radioactive phosphorus, and their protein coats with radioactive sulfur. When the viruses were allowed to infect bacteria, what did the viruses transfer to the bacteria?
A. radioactive phosphorus B. neither radioactive phosphorus nor sulfur C. radioactive phosphorus and sulfur D. radioactive sulfur
List and describe the three types of joints found in the human body.
What will be an ideal response?