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3 years ago

Describe the action of the tricuspid valve when you squeezed the water-filled right ventricle

Biology

1 answer:

Luda [366]3 years ago

6 0

Answer:

Tricuspid valve is a structure present between right atrium and right ventricle. It is a one way valve composed of three flaps, hence the name. Blood flows from right atrium to right ventricle via it. It also prevents back flow of blood to atrium.

If a water filled right ventricle is squeezed, it will try to flow back into the right atrium. At this moment, the flaps of tricuspid valve will move upwards in horizontal position. As a result, the valve will close and water will not flow back to the right atrium.

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Assume that a polygenic character in Drosophila is produce through the activity of five genes, each with two alleles. Two indivi

777dan777 [17]

Answer:

$243$

Explanation:

Let us assume the genotype of individual with five genes is AaBbCcDdEe

If we look at the simple mono-hybrid cross between two gene pairs let us say Aa and Aa, the following genotypes will be produced

Aa * Aa

AA, Aa, Aa, aa

So total three different type of genotypes will be produced i.e AA, Aa, and aa

Like wise cross between Bb and Bb will produce BB, Bb, bb

Product of Cc and Cc will produce CC, Cc and cc

Product of Dd and Dd will produce DD, Dd, dd

Product of Ee and Ee will produce EE, Ee, ee

So in total there will be 5 such groups which will assort independently/

Thus, the probability will be

$3 * 3* 3*3 *3\\= 3^5\\= 243$

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I took the same test the answer is metabolism

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Choose all the right answers.

tino4ka555 [31]

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Caterpillar = invertebrates

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Explain how the failure to regulate detrimental practices on private property might have widespread negative environmental conse

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Identify the genotype for this pedigree chart

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Lets say that the genotypes are:

Male affected:XbY

Male unaffected: XaY

Female affected: XbXb

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Female unaffected:XaXa

P: XbY x XaXa

F1: XaXb XaXb XaY XaY The middle square is female carrier.

P:XbY x XaXb

F1: XaXb XbXb XaY XbY The left square is affected female.

P:XaY x XbXb

F1: XaXb XaXb XbY XbY The right square is affected male.

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