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Kay [80]
3 years ago
13

What quantity measures the amount of matter in an object?

Biology
1 answer:
REY [17]3 years ago
5 0

Answer:

Mass

Explanation:

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Which series lists the correct order of steps of binary fission from first to last?
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Binary fission is a type of asexual reproduction, and /or rather an asexual reproduction common in most prokaryotes.This function happens when the organism divides itself producing another replica of its genetic material and now altogether as the organism itself. 
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Which of these are a producer? Moth,Mushroom,Fern,Cheetah
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fern is the producer.

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producers are mainly green plants.

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What is the building block of nucleic acids
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In humans, hemophilia is caused by a recessive allele on the X chromosome. Suppose a man with hemophilia has children with a hea
Virty [35]

Answer:

The answer is 50

Explanation:

Hemophilia is a X-linked disease. That means the recesive allele which causes the disease is not in Y chromosome, but only in X chromosome.  If we denote:

X⁺ : dominant allele

X⁻: recesive allele

Then, in a woman there are three posibilities:

X⁺X⁻: is a carrier woman (without hemophilia)

X⁺X⁺: healthy woman

X⁻X⁻: woman with hemophilia

But in a man there are two posibilities:

X⁺Y: healthy man

X⁻Y: man with hemophilia

A man with hemophilia is X⁻Y, and a healthy woman whose mother had hemophilia is a carrier woman (X⁺X⁻). If they have a child, there are 4 posibilities, and each one has 1/4 of occurrence probability:

X⁻Y  x  X⁺X⁻ = X⁻X⁺, X⁻X⁻, X⁺Y, YX⁻

Posibilities with hemophilia are X⁻X⁻ and YX⁻ (1/4 + 1/4= 1/2= 0.5= 50%)

In each filial, there is a 50 percent of probability of having a child (man or woman) with hemophilia.

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