BIOLOGY B FINAL EXAM PRIMAVERA QUESTIONS AND ANSWERS
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BIOLOGY B PRIMAVERA
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BIOLOGY B PRIMAVERA
BIOLOGY B FINAL EXAM PRIMAVERA
Which of the following is an example of a group behavior that enhances survival? - Answer- I think it is-
male peacocks attracting females with a colorful tail
Correct-lions hunting in packs
Scientists are studying a genetic disorder. They discover that when b...
BIOLOGY B FINAL EXAM PRIMAVERA
Which of the following is an example of a group behavior that enhances survival? -
Answer- I think it is-
male peacocks attracting females with a colorful tail
Correct-lions hunting in packs
Scientists are studying a genetic disorder. They discover that when both parents are
carriers, and do not express the disorder themselves, their children have a 25%
chance of developing the disorder. If only one parent is a carrier, none of the children
express the disorder. What type of disorder are they most likely studying? - Answer-
autosomal recessive
What describes a use for restriction enzymes? - Answer- cutting DNA strands at
specific locations
Why have frequent small controlled-burn wildfires not helped to maintain chaparral
ecosystems? - Answer- NOT-
The heat from forest fires destroys the roots of chaparral plants.
Fire destroys the seeds of many types of chaparral shrubs.
What describes the DNA of cancer cells?
Select all that apply. - Answer- Often contains mutations that affect genes involved in
the cell cycle
Often contains more than one different mutation
What are some ethical concerns with whole genome sequencing? - Answer- people
could make money off the genome sequences of others
your genome could be sequenced without your knowledge or consent
genomes may reveal information about mental illnesses
If 100 units of energy are found in the plants, how much energy will be found in the
trophic level containing the mouse? - Answer- 10 units
Which are ethical concerns related to editing the genes of germline cells? - Answer-
The effects on future generations if we allow it.
Wrong-The risk that genes will not end up in future generations if we allow it.
What molecule forms a double helix structure composed of two complimentary
strands of nucleotides? - Answer- DNA
What explains how the parents in a family both have the same eye color, but some
of their children have a different eye color? Assume for this example that eye color is
determined by a single gene.
Responses - Answer- The parents are both heterozygous for a gene that controls
eye color allowing some of the children to get two recessive alleles.
Which of the following population growth limiting factors is density dependent?
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