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tankabanditka [31]
2 years ago
9

PLEASE HELP IM IN DESPERATE NEED OF GETTING A 100%!!!! I WILL MARK BRAINLIEST TO WHOEVER ANSWERS FIRST!!! MAYBE VENMO!

Biology
1 answer:
raketka [301]2 years ago
8 0
What attachment? I don’t see any attachment?
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In humans alkaptonuria is a metabolic disorder in whichaffected persons produce black urine. Alkapotonuria results from anallele
miss Akunina [59]

Answer:

a) The genotype of her father = "aa".

The genotype of her mother = "Aa".

The genotype of Sally is "Aa".  

b) 1/2

c) 1/2

Explanation:

a) Sally's father has alkaptonuria. So, the genotype of her father is "aa". Her mother is normal. Since her brother is affected by the disease, he should be homozygous recessive (aa). This means that the mother also has one copy of "a" allele and is heterozygous dominant (Aa). A cross between Aa (mother) and aa (father) would give 50% affected progeny with "Aa" genotype. So, the genotype of Sally is "Aa".  

b) The genotype of her mother= Aa

The genotype of her father = aa

Aa x aa = 1/2 Aa (affected): 1/2 aa (normal)

So, if Sally's parents have another child, there is a 1/2 probability that this child will have alkaptonuria.  

c) The genotype of Sally = Aa

Genotype of the man Sally marries= aa (since he is affected with alkaptonuria)

Aa x aa= 1/2 Aa (affected): 1/2 aa (normal)

There is a 1/2 probability that their child will have alkaptonuria.

8 0
3 years ago
How has ice cover near the north pole changed in the last few decades
Varvara68 [4.7K]
Ice in the north pole have decresd in last few decaeds because of globle warming
5 0
2 years ago
Hey guys!! Can you y'all help!!
garik1379 [7]

Answer:

                 Acid                                     base

Red litmus - color doesn't change   Color change to blue  

Blue litmus- color change to red.    Color

                                              doesn't change

Explanation:

Hope this helps

6 0
2 years ago
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"Superior vena cava carries completely digested substances"
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Answer:

Yes.

Explanation:

As a blood vessel, Superior vena cava carries completely digested substances that is present in the blood from upper part of the body to the heart. Blood is a fluid that transport digested food from small intestine to other parts of the human body. It also carries oxygen from the lungs to the cells and also carries carbondioxide from the cells to lungs so we can say that Superior vena cava carries completely digested materials.

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2 years ago
Flowering plants are a group of plants that have sexual reproductive organs called flowers, as well as leaves, stems, and roots.
Lelechka [254]
<span>The male reproductive parts of a flower is the stamens which are comprised of the anther (which produces pollen) and the filament which supports the anther. The primary purpose of the stamen is to produce pollen which is used to fertilize the female parts of the flower (typically another flower from the same species of plant, but it is possible for some plants to be self fertilizing).</span>
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3 years ago
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