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Diano4ka-milaya [45]
3 years ago
10

Hemophilia is an X-linked recessive trait A non-hemophiliac father and and a hemophiliac mother have a son. What is the percent

chance that the son will be a hemophiliac?
Biology
1 answer:
Elden [556K]3 years ago
5 0

Answer:

There is a 25 percent chance that the son will be a hemophiliac

Hope this helps.

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OlgaM077 [116]

Answer:

If it´s not A then choose C

Explanation

If they were land animal and could not swim then the only logical reasoning would be that the two pieces of land drifted apart from each other and the fossils were in between them and that´s why they ended up in the ocean.

6 0
3 years ago
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Why would it be advantageous to have more or fewer bones in the pectoral girdle?
True [87]

<u>Answer:</u>

<em>It is advantageous to have  lesser number of bones in the pectoral girdle.</em>

<u>Explanation:</u>

Pectoral girdle is made up by the bones that connect the upper limbs to the appendicular skeleton  which includes all the limb bones. Pectoral girdle in humans is made up of two bones. They are clavicle (collar bone) and scapula. The pectoral girdle allows the free movement of upper limbs.

The bones of pectoral girdle are not as massive as the bones of pelvic girdle since it doesn’t have the function of support. Lesser number of bones in pectoral girdle makes  movement of upper limbs more free.

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3 years ago
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igor_vitrenko [27]

Two examples of radioisotopes that can be used are carbon-14 to determine the age of fossils. Second, we can use iodine-131 to treat thyroid disease.

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3 years ago
students are measuring the rate of enzyme activity. the graph below shows the rate of enzyme action as they increase the tempera
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3 years ago
5 Devise Imagine that one tree outside your
LekaFEV [45]
The first step is to identify the problem. There are factors to consider in keeping a plant or a tree healthy. These include water, oxygen, sunlight, soil, nutrients, climate, and other environmental conditions. If the environment seems to suit the other trees in the garden, ruling out other factors can be useful in determining why only one tree seems to be unhealthy. Once the problem is identified, a scientific investigation must be done to gather data and pieces of evidence which can explain why this event actually occurred. One of the best ways to gather evidence is through observing the tree and checking other signs which might identify if the tree is diseased. Once the gathered data are analyzed and the cause is identified, proceed in thinking of ways on how to solve it. In seeking a solution, it is best to ask information from experts and proper authorities.
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