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TLS Online TPP Program

#Question id: 12674

You  have  a  friend  who  is  wary  of  environmentalists? claims  that  global  warming  could  lead  to  major  biological change on Earth. Which of the following statements can you truthfully make in response to your friend's suspicions?

#Unit 10. Ecological Principles
  1. We know that atmospheric carbon dioxide has increased in the last 150 years.
  2. Through measurements and  observations, we  know  that  carbon dioxide  levels  and  temperature fluctua- tions were directly correlated even in prehistoric times.
  3. Global warming could have significant effects on United States agriculture. 
  4. A, B, C, and D are all correct
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TLS Online TPP Program

#Question id: 5769

#Unit 8. Inheritance Biology

A hybrid allotetraploid species (2n = 60) was backcrossed to one of the suspected parents (2n = 30). When the F 1 underwent meiosis, the prophase chromosome configuration was examined. If the guess about the suspected parent is correct, what would the chromosome configuration look like?
TLS Online TPP Program

#Question id: 5770

#Unit 8. Inheritance Biology

Fragile X syndrome is caused by
TLS Online TPP Program

#Question id: 5771

#Unit 8. Inheritance Biology

XXY is a condition known as
TLS Online TPP Program

#Question id: 5772

#Unit 8. Inheritance Biology

A missense mutation in Neurospora will revert by treatment with nitrous acid (causes transversions), but not by hydroxylamine (causes AT -> GC transitions). The original mutation (not the reversion) must have been
TLS Online TPP Program

#Question id: 5773

#Unit 8. Inheritance Biology

Which of the following is not an effect of a mutation?
TLS Online TPP Program

#Question id: 5774

#Unit 8. Inheritance Biology

Two healthy people have a child expressing a genetic condition caused by a dominant allele. What can you conclude about this situation?