Looks at inherited cells – what the instructions are and how they work. Taken from the free online course What is the genome made of? For more, visit The Open University’s OpenLearn website. openlearn.open.ac.uk -…
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Any good paying jobs? Do I need to take masters degree? any tips is welcome!
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Genetics: Analysis and PrinciplesGenetics: Analysis and Principles is a one-semester, introductory genetics textbook that takes an experimental approach to understanding genetics. By... Read More >
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Do you think I should study molecular biology and genetics directly or should I go for medical first and then genetics to be able to do research on humans?
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Genes; Proteins; transposon; Cyt c en.wikipedia.org Playlists– Facts of Evolution: Mechanisms of Evolution: ———————————————– The Cassiopeia Project – making science simple! The Cassiopeia Project is an effort to make high quality science videos available to everyone. If you can visualize it, then understanding is not far behind. • w…
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A paper published in the journal Science describes a remarkable rebooting of a bacterial cell with a million-letter package of biological “software” created from scratch in a computer and then synthesized in a laboratory. This Skype interview was provided to the media by the journal, a publication of the American Association for the Advancement of Science. More at and http…
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Risky Business: Biotechnology and Agriculture (Video Tape: 24 Minutes; Grades 10-Adult) (Produced by Moving Images Video Project)RISKY BUSINESS is designed to stimulate discussion about this important subject. What are the effects of this new technology on farmers, our food supp... Read More >
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1993 science feature about genetics, affiliated with Discover Magazine (at that time owned by Disney). This helped fill the time between “The Muppet Movie” and the music special “Glenn Frey: Strange Weather” in April 1995….
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Hello everyone. These are 5 multiple questions from biology 101 class. I’ve been reading and reading my book and can’t find the answers. Please take your time and check my answers please. You DON’T have to answer them all, but answer ones you know for SURE. Thank you all very much in advance.
1) Which of the following is NOT a major process of microevolution?
a.mutation
b.divergence
c.genetic drift
d.gene flow
e.natural selection
2) The genetic equilibrium of a population can be upset by all EXCEPT which of the following?
a.mutations
b.migration
c.random mating
d.genetic drift
e.natural selection
3) The impact of natural selection is demonstrated by
a.directional selection.
b.stabilizing selection.
c.neutral selection.
d.disruptive selection.
e.directional selection, stabilizing selection, and disruptive selection.
4) Populations of the peppered moth provide an example of ____ selection.
a.kin
b.disruptive
c.directional
d.stabilizing
e.artificial
5) A general warming trend in northern climates might decrease the ice bridges that form between islands in the upper Great Lakes. Because animals travel across these bridges, this warming could result in
a.decreased gene flow.
b.more genetic heterogeneity.
c.healthier populations of animals.
d.more mutations.
e.all of these
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Populations level off at the ____ of an environment.
a. Steady State
b. Carrying Capacity
c. Environmental Resistance
Ecological Succession in a humid area would go in the order:
a. grass, tall weeds, shrubs, trees
b. weeds, grasses, shrubs trees
c. shrubs, grasses, weeds
Which is NOT an example of parasitism?
a. A deer tick feeding on a human host.
b. Yellow fever virus hurting a human.
c. Dandelions competing with grass for resources.
When a gene changes and enters a population by chance. This is termed:
a. gene flow
b. genetic drift
c. mutation
An organism evolves to look like a an organism with an antipredator defense. The trend continues as more and more organisms in the species exhibit this harmless mimic. (Batesian mimicry) An organism with a bad taste evolves to look like an organism that stings. (Mullerian mimicry) What can be said about this?
a. Mullerian mimicry is limited and diluted. Batesian mimicry is unlimited.
b. Batesian mimicry is limited and diluted. Mullerian mimicry is unlimited.
c. Both are limited and diluted.
d. Both are unlimited and strengthen the organism.
I have answers, but I’d like a second opinion.
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Hello everyone. These are multiple questions from biology 101 class. I’ve been reading and reading my book and I am still confused on all of them. I could answer half of them but half I have no clue. Please take your time and check my answers and help me on ones I couldn’t answer please. You DON’T have to answer them all, but answer ones you know for SURE. Thank you all very much in advance.
1) Which of the following is NOT a major process of microevolution?
a. mutation
b. divergence
c. genetic drift
d. gene flow
e. natural selection
ANSWER I THINK IS B
2) The genetic equilibrium of a population can be upset by all EXCEPT which of the following?
a. mutations
b. migration
c. random mating
d. genetic drift
e. natural selection
ANSWER I THINK IS C
3) The impact of natural selection is demonstrated by
a. directional selection.
b. stabilizing selection.
c. neutral selection.
d. disruptive selection.
e. directional selection, stabilizing selection, and disruptive selection.
ANSWER I THINK IS E
4) Populations of the peppered moth provide an example of ____ selection.
a. kin
b. disruptive
c. directional
d. stabilizing
e. artificial
ANSWER I THINK IS C
5) A general warming trend in northern climates might decrease the ice bridges that form between islands in the upper Great Lakes. Because animals travel across these bridges, this warming could result in
a. decreased gene flow.
b. more genetic heterogeneity.
c. healthier populations of animals.
d. more mutations.
e. all of these
ANSWER I THINK IS A
6) The famous “bell-shaped curve” that usually results when test scores are plotted against number of students is an example of what type of selection?
a. disruptive
b. stabilizing
c. divergent
d. variable e.
e. directional
7) The biological impact of the “founder effect” is based upon
a. absence of gene flow.
b. chance.
c. migration
d. nonrandom mating.
e. all of these
Four of the five characteristics listed below are those of an unchanging, nonevolving population. Select the exception.
a. random mating
b. no mutation
c. differential survival
d. no migration or gene flow
e. infinitely large population
9) Four of the five choices listed below are characteristics of mutations. Select the exception.
a. predictable
b. harmful or beneficial
c. random
d. effects depend upon environment
e. heritable
10) Four of the five choices listed below are examples of directional selection. Select the exception.
a. pesticide resistance
b. sexual dimorphism
c. wing color in peppered moths
d. coat color in rock pocket mice
e. antibiotic resistance
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A general warming trend in northern climates might decrease the ice bridges that usually form between islands in the upper Great Lakes. Because animals travel across these bridges, this warming could result in
a. decreased gene flow.
b. more genetic heterogeneity.
c. healthier populations of animals.
d. more mutations.
e. all of these
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A trend toward the decrease in the size of plants on the slopes of mountains as altitudes increase is an example of?
A)geographic variation.
B)relative fitness.
C)a bottleneck.
D)a cline.
E)genetic drift.
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Introduction to Genetic Analysis Solutions MegaManualA unique student resource combining a solutions manual with Paul Young's interactive Exploring Genetics tutorials.
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A trend toward the decrease in the size of plants on the slopes of mountains as altitudes increase is an example of?
geographic variation.
relative fitness.
a bottleneck.
a cline.
genetic drift.
Suggested Reading:
Genetics: From Genes to GenomesGenetics: From Genes to Genomes is a cutting-edge, introductory genetics text authored by an unparalleled author team, including Nobel Prize winner, L... Read More >
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