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amm1812
1 year ago
13

What two organs release secretions into the duodenum of the small intestine:?

Biology
1 answer:
Komok [63]1 year ago
5 0
The liver and pancreas.
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Alkaptonuria is an infrequent autosomal recessive condition. It is first noticed in newborns when the urine in their diapers tur
Arisa [49]

Answer:

See the answer below

Explanation:

Let the disorder be represented by the allele a.

Since the disease is an autosomal recessive one, affected individuals will have the genotype aa and normal individuals will have the genotype Aa or AA.

Since the four adults are carriers, their genotypes would be Aa.

                    Aa     x     Aa

Progeny:    AA    2Aa    aa

Probability of being affected = 1/4

Probability of being a carrier = 1/2

Probability of not being affected = 3/4

(a) The chance that the child second child of Mary and Frank will have alkaptonuria = 1/2

(b) The chance that  the third child of Sara and James will be free of the condition = 3/4

(c)

(d) If someone has no family history of the disorder, their genotype would be AA.

                 AA     x     aa

                        4 Aa

<em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history </em>= 0

(e)

(f) <em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history</em> = 0

5 0
2 years ago
A pathologist who wants to examine a patient's liver cells to determine if the mitochondria have an internal structural defect w
BlackZzzverrR [31]
The correct answer is "transmission electron microscope".

The transmission electron microscope can magnify the organelles of the cell clearly; as in light microscopes wherein most organelles cannot be visualized. TEM works by using a beam of electrons to pass through a specimen to make a clear image. Because of its superior magnification, mitochondrial defects can be visualized easily.

Attached is a sample picture of a transmission electron microscope image of a mitochondria.

4 0
2 years ago
To measure the population of lake trout in a 250-hectare lake, 400 individual trout were netted and marked with a fin clip, then
kenny6666 [7]

Answer:

Estimated size is 1600

Explanation:

Given data:

Size of lake is 250 hectares

Total number of trout who netted is 400

Total number of trout in next week is 200

Total number of trout having fin clip 50

estimation population size is estimated by mark rupture as follow

Estimated population size = \frac{(marked\ initally \times total\ recaptured)}{mark\ recaptured}

Estimated size= \frac{400\times 200)}{50}

Estimated size is 1600

4 0
2 years ago
Species A and species B are shown on the same branch of a branching tree. Species C is shown on a separate branch. All three spe
Alex73 [517]
That would mean that species A, B, and C all came from one tree. Species A and B would be closer related, and also resembling more of each other. While species C would be also related to species A and B but just not as close to either one. 

So the answer would be: Species A and B would be most similar, while species C would be related to both species A and B but will have less similarities. <span />
8 0
2 years ago
Jon is campaigning for the introduction of buffer zones around the large commercial farms in his community to manage the effects
Iteru [2.4K]
<span>It will allow the surface waters to be protected (choice D). By having an area in which crops can be planted but no fertilizer applied, it will make sure that there is at least some area in which the surface water is not being tainted by said fertilizer.</span>
6 0
2 years ago
Read 2 more answers
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