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Misha Larkins [42]
4 years ago
10

How can scientists determine the absolute age of a rock sample?

Biology
1 answer:
Roman55 [17]4 years ago
5 0
Absolute Dating. The nuclear decay of radioactive isotopes is a process that behaves in a clock-like fashion and is thus a useful took for determining the absolute age of rocks. Radioactive decay is the process by which a "parent" isotope changes into a "Daughter" isotope. 
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How does inbreeding alter genotype and allele frequencies?
erik [133]

Explanation:

The inbreeding process, are blood crossings between relatives who have a common ancestor. Inbreeding leads to an increase in the frequency of homozygous genotypes and a decrease in the frequency of heterozygotes. We may also note that although changes in genotypic frequencies occur, no changes in allelic frequencies are observed over successive generations of self-fertilization. The main consequence of 2 individuals sharing one or more common ancestors is that they may carry replicas (identical copies) of one or more genes present in these ancestors. And if these individuals mate, they can pass on such replicas to their offspring, generating self-sibling offspring, that is, with two identical copies of the same gene that was present in these common ancestors.

6 0
4 years ago
A 45-year-old woman has multiple sclerosis. she is able to perform most functions of self-care but recently she has been having
UNO [17]

Answer;

Neuromuscular

-Neuromuscular is the factor affecting the client's ability to perform self care.

Explanation;

-Multiple sclerosis (MS) is a potentially disabling disease of the brain and spinal cord (central nervous system). Muscular weakness are due to abnormalities in the central nervous system, which leads to the need to minimize the possibility of postoperative residual neuromuscular relaxation.

-Multiple sclerosis (an example of demyelinating disease) is characterized by inflammation and selective destruction of myelin in the central nervous system, while the peripheral nervous system remains immune.


3 0
3 years ago
Which beverage would most likely produce intestinal gas?
Alja [10]
The correct answer is beer or soda.  

<span>Intestinal gas or air in the digestive tract usually exists as the natural consequence of swallowing and digestion. But sometimes gas can be excessive. Carbonated beverages, such as beer can increase the gas amount because of the yeast <span>which converts the sugar in beer into CO2 and alcohol.</span></span>
7 0
3 years ago
What are the advantages of using the bananas vinccine​
AlexFokin [52]

Answer:

you get free banana

Explanation:

8 0
3 years ago
What gene affects if myostatin is full or partial
denis23 [38]

Answer:

The MSTN gene

Explanation:

8 0
1 year ago
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