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3 years ago

How does genetic drift affect small populations differently than large populations?

Physics

1 answer:

dalvyx [7]3 years ago

7 0

Answer/ Explanation:

In small populations, the relative effect of genetic drift is higher because deleterious alleles can become more frequent by chance, and less common alleles have a greater chance of being permanently lost. This reduces the genetic variation in the population.

Large populations are less likely to change quickly as a result of genetic drift, this is due to chance

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The lanthanides are all radioactive true or false

Oksi-84 [34.3K]

Answer:

False

Explanation:

All the lanthanides are not radioactive in nature. Just one of the lanthanides are radioactive.

The lanthanides belong to the f-block on the periodic table
Only Promethium in this group are radioactive in nature.
Other elements in the lanthanide series might have radioactive isotopes.

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3 years ago

you just saw a magazine ad that shows several people having fun at a football game. They are all wearing a specific shoe brand.

Scilla [17]

The answer for the question is bandwagon. Hope it helped :)

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3 years ago

A car is driven 225 km west and then 98 km southwest (45).

slava [35]

Sum the vector components: Dx = 225* Cos(180)+ 78*Cos(225)= -280.154 km Dy = 225* Sin(180)+ 78*Sin(225) = -55.154 km displacement: Sqrt(Dx^2+Dy^2) = 285.532 km Arctan(Dy/Dx) = 191.137degrees CCW OR: 11.137 degrees South of West

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3 years ago

Read 2 more answers

if a modern home is built too tightly, the air change rate per hour is reduced. Ventilation may be increased to safe levels by _

Galina-37 [17]

Answer:Mechanical ventilation system

Explanation:

Ventilation can be increased to safe levels by using mechanical ventilation system to bring in more fresh air.

There are many ways to provide ventilation for example

providing ventilation fans in kitchens and bathrooms to remove allergens,moisture.
A duct should be provided such that it provides fresh air to different rooms and provision should also be made to remove the poor air inside home.

8 0

3 years ago

The motor on a helicopter turns at an angular speed of 6.2 x 102 revolutions per minute. (a) Express this angular speed in radia

arsen [322]

Answer:

64.93 rad/s
38.956 km

Explanation:

(a)

$\dfrac{6.2\cdot 10^2\,\text{rev}}{60\,\text{s}}\times\dfrac{2\pi\,\text{rad}}{\text{rev}}=\dfrac{62\pi\,\text{rad}}{3\,\text{s}}\approx\boxed{64.93\,\text{rad/s}}$

(b)

$d=r\theta=(3.0\,\text{m})(2.0\cdot 10^2\,\text{s})\left(\dfrac{62\pi\,\text{rad}}{3\,\text{s}}\right)=124\pi\cdot 10^2\,\text{m}=\boxed{38\,956\,\text{m}}$

6 0

3 years ago