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photoshop1234 [79]
3 years ago
13

What is a dominant allele?

Biology
1 answer:
Anna35 [415]3 years ago
6 0

Answer:

A. In a heterozygous individual, the allele that determines the phenotype

Explanation:

The dominant allele completely hides the expression of the recessive allele. This occurs in cases of Autosomal dominant inheritance. Even when both dominant and recessive alleles are present in the genotype, this is the heterozygous state, only the dominant trait will be expressed. Only one dominant allele is enough to express the dominant phenotype.

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A fox sees a piece of carrion being thrown from a hawk's nest and rushes to snatch it. The nest is 14.0 m high, and the carrion
stiv31 [10]
Vertical d = 1/2 gt±² 
<span>14.0 = 0.5(9.81)t² </span>
<span>t² = 14.0/(0.5)(9.81) </span>
<span>t² = 2,85 </span>
<span>t = 1.69 sec </span>

<span>horizontal distance traveled by carrion in t = 1.69 sec </span>
<span>d = vt </span>
<span>d = (1.5)(1.69) </span>
<span>d = 2.53 m </span>

<span>fox must travel horizontally = (7.0 - 2.5) = 4.5 m in t = 1.69 sec. </span>
<span>fox speed (avg) = 4.5/1.69 = 2.7 m/s to catch carrion ANS</span>
4 0
3 years ago
If a parent cell has four chromodomes,how many chromosomes will each daughter cell have.
Masja [62]
Is the cell going through mitosis or meiosis?
6 0
3 years ago
Pictures taken by the Cassini spacecraft show that the rings surrounding Saturn have dark and light bands. Until these pictures
Sidana [21]

Answer:

Infrared images also show thermal, or heat, radiation. While a visible-light image from this vantage point would simply show the face of the planet as dimly lit by sunlight reflected off the rings, Saturn glows brightly in this view because of heat from Saturn's interior.

In a second version of the image, scientists "stretched" or exaggerated the contrast of the data, which brings out subtleties not initially visible.

When these small particles are lit from behind, they show up like fog in the headlights of an oncoming vehicle.

• The C ring also appears relatively bright here; not because it is made of dust, but because the material in it -- mostly dirty water ice -- is translucent. In fact, in the 18th and 19th centuries, it was known as the "crepe ring" because of its supposed similarity to crepe paper.

• The wide, middle ring known as the B ring -- one of the easiest to see from Earth through telescopes because it is densely packed with chunks of bright water ice -- looks dark in these images because it is so thick that it blocks almost all of the sunlight shining behind it.

Explanation:

hope i helped :)

7 0
3 years ago
How do structures and functions of organisms vary in different kingdoms????
Alexxx [7]

Answer:

With millions of different kinds of organisms in the world, scientists must find order in all of this diversity. Scientists group living organisms into one or more of a few major categories as part discipline known as taxonomy. The bodies of organisms are organized into functional systems—cells are organized into tissues, and tissues are organized into organs. Body systems carry out critical functions, such as locomotion, reproduction, digestion, and circulation. All living things on Earth are composed of the same carbon-based, molecular building blocks.

\bf \huge \red{F} \bf \pink{O}\bf \purple{L}\bf \blue{L}\bf \green{O}\bf \red{W} \: \bf \pink{x} \bf \purple{I} \bf \blue{t} \bf \green{z} \bf \red{M} \bf \pink{u} \bf \purple{s} \bf \blue{k} \bf \green{x}

6 0
3 years ago
Protons are pumped across the mitochondrial inner membrane as electrons are transferred through the mitochondrial electron trans
maxonik [38]

Answer: B, C and D

Explanation:

Option A is wrong because protons are not pumped into the matrix of the mitochondria, but rather protons are pumped from the mitochondrial matrix to the inner membrane space.

Option B is correct. The NADH dehydrogenase, cytochrome b-c1, and cytochrome oxidase complexes are all protons pumps and pump protons across the membrane.

Option C. Is correct. The pH inside the mitochondrial matrix is higher than in the innner membrane space.

Option D is correct. The mitochondria use the proton gradient to synthesize ATP by the enzyme ATP synthase.

7 0
4 years ago
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