Bio-Process Lab B

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Re: Bio-Process Lab B

Post by c-trast » January 17th, 2015, 5:38 pm

[aditi] wrote:Remaining answers of c-trast's question....
A condenser lens concentrates light from the illumination, that is in turn focused through the object and magnified by the objective lens. A rack stop tells how close the objective lens can get to the slide.
Here are a couple easy questions...

Describe what would happen if one link of a food chain were to die off.
True or False: if one part in a food web dies off everything else will die off too.
Name 2 primary consumers.
That's right. Everyone go answer [aditi]'s question.
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Re: Bio-Process Lab B

Post by Kuttan » January 18th, 2015, 9:15 am

a. (I'm not sure, but...)It depends on where the link is. If it is near the top, say, wolves, then the bottom, say, deer, will overpopulate. If it is near the bottom, say, grass, then the primary consumers(herbivores) might die off, or they may find a new feeding source. b. False c. Pandas, Cows
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Re: Bio-Process Lab B

Post by aditi » January 18th, 2015, 6:01 pm

Kuttan wrote:
a. (I'm not sure, but...)It depends on where the link is. If it is near the top, say, wolves, then the bottom, say, deer, will overpopulate. If it is near the bottom, say, grass, then the primary consumers(herbivores) might die off, or they may find a new feeding source. b. False c. Pandas, Cows


That's mostly correct, Kuttan. The only problem is in the first question...You're partially correct, but you need to add that at the end, all the other parts of food chain would die off too. Because, the wolves and deer would overpopulate, meaning there wouldn't be a large enough food source, and they would all end up dying...Also, it's your turn to ask a question once you've answered one. :)
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Re: Bio-Process Lab B

Post by Kuttan » January 21st, 2015, 1:46 pm

This should be easy...
In race horses, black hair (B) is dominant over chestnut hair (b) and a trotting gait (T) is dominant over a pacing gait (t). What are the phenotype and genotype ratios for a thoroughbred black trotter and a thoroughbred chestnut pacer?
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Re: Bio-Process Lab B

Post by aditi » January 21st, 2015, 5:19 pm

Black trotter : phenotype - 3:1 and genotype - 9:3:3
chestnut pacer : phenotype - 13:2 and genotype - 5:8:3
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Re: Bio-Process Lab B

Post by Kuttan » January 23rd, 2015, 1:35 pm

I meant to say if they had bred, what would be their offsprings' ratios... But what you wrote sounds right.
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Re: Bio-Process Lab B

Post by ak12 » February 11th, 2015, 3:35 pm

Starting back up, what key feature of a pedigree could be used to determine that the mode of inheritance is recessive?
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Re: Bio-Process Lab B

Post by Unome » February 12th, 2015, 4:28 am

ak12 wrote:Starting back up, what key feature of a pedigree could be used to determine that the mode of inheritance is recessive?
An inheritance where both parents have a trait, but a child has a different trait (The trait of the parents is dominant & the trait of the child is recessive).
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Re: Bio-Process Lab B

Post by ak12 » February 13th, 2015, 4:00 pm

Unome wrote:
ak12 wrote:Starting back up, what key feature of a pedigree could be used to determine that the mode of inheritance is recessive?
An inheritance where both parents have a trait, but a child has a different trait (The trait of the parents is dominant & the trait of the child is recessive).
That is correct. Your turn!
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Re: Bio-Process Lab B

Post by Okayawesome » March 8th, 2015, 9:58 am

This is dead, so I'll take a shot. Explain what happens during metaphase.
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