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joja [24]
3 years ago
15

Select the correct answer. Neurofibromatosis, a genetic disease caused by mutation on the NF1 gene, follows an autosomal dominan

t pattern of inheritance. The diagram shows that the father carries two copies of the defective gene and the mother is unaffected. What percentage of offspring will have neurofibromatosis? a diagram showing a father who has the disease neurofibromatosis (alleles RR) and the mother is unaffected (alleles rr) A. 0% B. 25% C. 50% D. 100%
Biology
1 answer:
Ksenya-84 [330]3 years ago
5 0

Answer: c 50% not sure though but its a try

Explanation:

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Penguins and orcas are both black and white, have developed fins for rapid swimming and are able to tolerate cold water, but pen
fiasKO [112]

Answer:

Analogous structures

Explanation:

Analogous structures are similar structures that evolved independently in two living organisms to serve the same purpose.

Analogous structures are examples of convergent evolution, where two organisms separately have to solve the same evolutionary problem – such as staying hidden, flying, swimming, or conserving water – in similar ways. The result is similar body structures that developed independently.

In the case of analogous structures, the structures are not the same, and were not inherited from the same ancestor. But they look similar and serve a similar purpose.

For example, the wings of an insect, bird, and bat would all be analogous structures: they all evolved to allow flight, but they did not evolve at the same time, since insects, birds, and mammals all evolved the ability to fly at different times.

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3 years ago
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ludmilkaskok [199]
Okay so i hope this help but i think its this:

1. chlorophyll, a green pigment found in the leaves of plants (see the layer of chlorophyll in the cross-section chlorophyll, a green pigment found in the leaves of plants (see the layer of chlorophyll in the cross-section

2. light (either natural sunlight or artificial light, like from a light bulb)

3. carbon dioxide (CO2)(a gas found in the air; one of the gases people and animals breathe out when they exhale)

4. water (which the plant collects through its roots)

5. nutrients and minerals (which the plant collects from the soil through its roots)

Did researching for you so I hope this helped? :)
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For a fish to be buoyant, or float, it must displace less water or the same amount of water as its own body mass. ... Many fish use swim bladders to help them with quick depth changes. These bladders fill with air to help fish rise or release air so fish can sink, often in conjunction with forward movement.

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I have no clue.....hate biology tho :3
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The answer is B.....
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