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lozanna [386]
3 years ago
10

As rescuers in a population becomes less available.the population

Biology
1 answer:
natulia [17]3 years ago
8 0
Begins to decline and die off, because other organisms are competing for those same resources
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14. Pat and Tracy each have a sibling who has the recessive trait of sickle cell disorder. Neither Pat. Tracy or
Nady [450]

Answer:

Since sickle cell disease is a disorder with an autosomal dominant inheritance pattern, and in light of the lack of data, it could be said that the only way for Pat and Tracy to have a child with sickle cell disease is for both of them to be healthy carriers of the gene, with a 25% probability.

Explanation:

Considering that both Pat and Tracy each have a sibling with a sickle cell trait and that both they and their parents are healthy, it must be assumed that some of their parents are healthy carriers:

  1. Pat and Tracy do not have sickle cell trait. In this case, there is no chance that they will have a child with sickle cell disease.
  2. Either Pat or Tracy has the trait, but the other does not. It is possible that at least one of their children is a healthy carrier.
  3. If both Tracy and Pat have sickle cell trait, the chances of having a child with sickle cell disease are:

Alelles       R         r

R              RR       Rr

r               Rr        rr

RR: healthy (25%).

Rr:  healthy carrier (50%).

rr: sickle cell disease (25%).

<em>If Pat and Tracy are healthy carriers of the gene that determines sickle cell disease, the chance of having a child with the disease is 25%</em>.

Learn more:

Autosomal recesive inheritance brainly.com/question/10605612

8 0
3 years ago
The sex chromosomes for a male are?
Artyom0805 [142]

Answer:

well i only know that a male has 23 chromosomes and his hormones are called testosterone ,please follow me and his sex chromosome is <em><u>xy</u></em>

8 0
3 years ago
......................
steposvetlana [31]
.........................
6 0
3 years ago
A cat is walking down a sidewalk and spots a dog in a nearby yard. The cat starts to run in the opposite direction and then quic
dusya [7]

Answer:

I think A or B could be a possibility to your answer

3 0
3 years ago
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Anthony Clement is applying for a car loan. The lending institution requires a personal net worth statement. Anthony currently h
Gelneren [198K]

Answer:

Net worth statement of Anthony

Assets

Current {}                          {}                           $1,085.00

Property, Camera (present value)    {}          $635.00

Total Assets        {}                                        $1,720.00  

Liabilities

Money owed others (Vista Travel)  {}            $305.00

Money owed others (Kelly Electronics)  {}       $83.00

Total Liabilities          {}                                    $388.00

Net Worth                      {}                               $1,332.00

Explanation:

A net worth statement also known as a balance sheet statement is way to present the standing of a business at a particular time. It is a record of the assets and the values of the assets as well as the business liabilities and other outstanding financial obligations the business is to settle.

3 0
3 years ago
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