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3 years ago

How many genes to dihybrids compare? 1 4 3 2

Biology

1 answer:

Gre4nikov [31]3 years ago

4 0

Answer:

Explanation:

Therefore, a dihybrid organism is one that is heterozygous at two different genetic loci. In 1865, Gregor Mendel performed dihybrid crosses on pea plants and discovered a fundamental law of genetics called the Law of Independent Assortment.

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A 20-pound object is dropped from a 50-foot bridge onto the ground below it. A 50-pound object is dropped from a 100-foot cliff

ira [324]

The 50 pound object will reach the ground first.

Explanation:

Using the second equation of motion, we can derive the time taken for each of the object to reach the ground. As the object is thrown from the top of the bridge or cliff, acceleration due to gravity will be acting on them.

So, $s = ut+\frac{1}{2} at^{2}$

The value of s for the object thrown from 50 foot bridge is given as 50 ft. The initial velocity of the object will be zero. The acceleration can be written as the ratio of mass to gravitational force.

Then, $s = (0) t +\frac{1}{2}*\frac{m}{F}*t^{2}$

$50 = \frac{20}{2F} t^{2} \\\\t^{2} = \frac{100F}{20}$

$t = \sqrt{5F}$

Then, consider the time taken for the 50 pound object to reach the bottom of 100 ft cliff as t₁ and the displacement in this case is 100 ft.

Then, $100 = (0)t +\frac{1}{2}*\frac{50}{F}*t_{1}^{2} \\\\t_{1}^{2} =\frac{200F}{50}$

$t_{1} = 2 \sqrt{F}$

Since, the gravitational force acting on both the objects will be same, the ratio of time taken is

$\frac{t }{t_{1} }=\frac{\sqrt{5F} }{2\sqrt{F}} = \frac{\sqrt{5} }{2}$

So, the time taken for the 20 pound object to reach the ground of 50 ft bridge is √5 s =2.236 s and the time taken for the 50 pound object to reach the ground of 100 ft cliff is 2 s.

Thus, the 50 pound object will reach the ground first.

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3 years ago

Which of the following statement is true?

ivann1987 [24]

<span>D is the answer :) this sentence here is to fill in the rest of space sorry</span>

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3 years ago

Read 2 more answers

What provides the energy that drives the water cycle?

Alenkinab [10]

The sun. The sun provides the energy for evaporation and even for the rest of the water cycle without the sun it wouldn't work. Unless you had a giant heat lamp over the ocean lol

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3 years ago

What properties does a wave model of light help explain?

denpristay [2]

Answer:

Amplitude, wavelength, and frequency.

Explanation:

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3 years ago

A client with a history of seizures is admitted with a partial occlusion of the left common carotid artery. the client has been

lord [1]

The correct answer is to obtain a thorough history of the seizure type and incidence. The patient is already taking phenytoin for 10 years so there must be an underlying seizure disorder. The type of the seizure (absence, tonic-clonic, etc.) should be characterized as this will affect the management of the patient. Placing an airway in a patient without respiratory distress is unnecessary and may even produce traumatic injury to the patient. Asking to remove dentures and eyeglasses is also unnecessary.

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3 years ago