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OverLord2011 [107]
4 years ago
7

Which heart chamber typically thickens with aging?

Biology
1 answer:
olga_2 [115]4 years ago
4 0
The ventricle typically 
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Which of the following is true about lethal alleles? Group of answer choices
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B

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They can be dominant or recessive.

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Why is it more ethical to test for the waste products of respiration rather than the reactants
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The knowledge of simple biological reactions tells us that the product of reactions results from the complete or partial use of the reactants. In some reversible reactions, products can be converted to reactants in equal volume. Hence, in reactions that cannot be reversed, as evident in respiration, its waste products can be used to indicate that indeed respiration did take place. When glucose is consumed it is broken down through a series of reactions to give carbon dioxide and water as waste products.

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In chickens, the dominant Cr allele produces chickens with extremely short legs (called creepers). When a male creeper is mated
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The male creeper and the female creeper are both heterozygous for the creeping trait.

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Hence, in order for two parents to produce wild-type offspring at all, both of them would have to be heterozygous for the creeping trait.

Assuming that the alternate trait is represented by cr allele:

           Crcr    x    Crcr

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<em>The two parents in the above cross are creepers but were able to produce wild-type offspring as a result of both parents being </em><em>heterozygous. </em>

   

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Wy does the speed of sound depend on air temperature?
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