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erica [24]
3 years ago
7

The ABO gene is said to have multiple alleles state what this means

Biology
2 answers:
goldenfox [79]3 years ago
8 0
  <span> Multiple alleles means that there are three or more forms of a gene for a trait. That doesn't mean that a person can have all three of them. The person still only gets two ... it's just that there are three or more of the alleles in the gene pool that are available.

I tell my students that it's like having three trays of cookies, each tray having a different kind of cookie. Your instructions are that you may have any two cookies that you want. Can you have two from the same tray? Yes. Can you have two different kinds? Yes, you can have one of one kind and one of a second kind. Can you have one from each of the three trays? No, you can only have two cookies.

That's how multiple alleles work. Blood type is controlled by multiple alleles: A, B, and O. Can a person have AA? Yes. Can a person have OO? Yes. Can a person have AB? Yes. Can a person have BO? Yes (but it makes everybody laugh). Can a person have ABO? No, only two alleles and no more.

So the answer is .... No, a person does not have more than two alleles for a single gene.

Of course there are exceptions, but not normal exceptions. Only abnormal exceptions that happen when a person has an unusual number of chromosomes. If you are just learning genetics, you don't have to worry about these exceptions yet.

</span>
uysha [10]3 years ago
5 0
Multiple alleles-<span> a type of </span>non-Mendelian inheritance pattern, <span>involves more than just the typical two </span>alleles<span> that most of the time code for a certain characteristic in a species. With multiple alleles, that means there is over two </span>phenotypes<span> available depending on the dominant or recessive alleles that are available in the trait and the </span>dominance pattern<span> the individual alleles follow when combined together.</span>
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Answer:Adhesion

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How does the shape of a protein relate to its function? Refer to specific details about this case and sickle cell anemia.
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An etiologist is investigating a new disease and observes what appear to be bacteria inside tissue cells in clinical samples fro
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Explained

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3 years ago
Which do you think is easier to identify on a karyotype - changes in chromosome number or in chromosome structure? Explain your
Hunter-Best [27]

number because a normal karyotype has 22 autosomes and 1 pair of s€x chromosomes

(sorry if I'm wrong)

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3 years ago
Male-patterned baldness is more common in males as the name suggest.why is this?
Ray Of Light [21]

Answer:

mark brainliest :))

Explanation:

Because baldness is a sex-linked trait.  

In other words, men are simply more likely to express the trait for baldness than women are, because they only need one set of genes for baldness, while women need two.  

If, for example, for each gene there is a 1/2 chance that the gene will be for baldness and 1/2 that it will not, then men have a 1/2 chance (because 1/2^1 = 1/2) of being bald, while women have a 1/4 chance (because 1/2^2 = 1/4) of being bald.  

This is the reason it's called "male-pattern baldness": it is more common in males. However, this does not explain nor rule out the dearth of women with baldness-women can get it too: it's just less common

5 0
3 years ago
Read 2 more answers
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