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Gala2k [10]
4 years ago
14

How are the neutral theory of molecular evolution and the molecular clock related?

Biology
1 answer:
statuscvo [17]4 years ago
4 0

Explanation:

Applying the neutral theory of molecular evolution, it is believed that molecular evolutionary clock that is universally acceptable and exact would exists, the rate of mutation for neutral alleles for a given molecule per year were exactly equal with all organisms always.

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What is a non-renewable resource and what are some examples?
kolbaska11 [484]

Answer:

See below

Explanation:

Non-Renewable resources are those resources which once used cannot be used again. They cannot be recycled again.

<u>Example:</u>

1) Coal

2) Oil

3) Natural Gas

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Hope this helped!

<h3>~AH1807</h3>
3 0
3 years ago
Read 2 more answers
"The Introduction section of a scientific research article provides detailed information regarding the experimental design of th
Arisa [49]

Answer:

False

Explanation:

  • The "Introduction" section of a research article contains the detailed background information on the topic and the problem that is being answered by the research.
  • Experimental design as well as materials and methods are mentioned in the "Materials and Methods" section of a research article.
7 0
3 years ago
What’s a secondary air pollutant
Orlov [11]

Answer:

<h2>Secondary air pollutants are pollutants which form in the atmosphere.</h2>

Explanation:

Examples of a secondary pollutant include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight; NO2, which is formed as NO combines with oxygen in the air; and acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water.

5 0
4 years ago
A planee is flying at a speed of 250 miles per hour. How long does it take to fly 250 (show steps)
Alexxandr [17]

it's 1 hour

lord have mercy. another genshin player

explanation: divide the distance traveled by the rate of speed. since the distance traveled and the rate of speed are both stated in the same units of measurement, there's no unit conversion needed. so, you can just convert the miles per hour to miles per second, and then convert the total seconds to the hours/minutes or whatever

8 0
3 years ago
Read 2 more answers
If a blue eyed mother with a normal vision has a brown eyed color blind son and a blue eyed colored blind daughter what are the
Rina8888 [55]

Answer: mother: XX^aa, father: X^YAa, son: X^YAa, daughter: X^X^aa.

Explanation:

Color blindness is a genetic disorder that affects the ability to distinguish colors. It is hereditary and is transmitted by an X-linked recessive allele. If a male inherits an X chromosome with the altered allele he will be color blind. In contrast, females, who have two X chromosomes, will only be colorblind if both of their X chromosomes have the altered allele. This is because <u>males have one X chromosome and one Y chromosome, while females have two X chromosomes</u>.  

If the woman has normal vision, that means she cannot have both chromosomes affected. She can only have one affected chromosome (be a carrier) or none at all. Also, if she has blue eyes, which is a recessive trait, then both alleles are recessive. But the eye color is not on the X chromosome. For example, her eye color genotype can only be aa, because if she had at least one dominant allele she would have brown eye color. As for the other trait, she can be XX^, with X^ being an affected (carrier) allele or XX, i.e. both normal. So in summary, her genotype can be XXaa or XX^aa  

If she has a brown-eyed male child who is also colour blind, he has inherited the allele for colour blindness from his mother, since the father does not pass on an X chromosome to the male children, only the Y. With this we can now rule out the mother's XXaa genotype since she had to have passed on her affected X^ chromosome. Then the genotype of the mother is XX^aa. And since her mother can only pass on one allele to (recessive) because she does not have allele A, the dominant that determines her brown eye color can only come from the father. So the genotype of this son is X^YAa. The female daughter has color blindness and blue eyes. So she had to inherit the affected X^ chromosome from the mother (which we already know she has) and an affected X^ chromosome from the father, because the daughter needs to inherit both affected X^ chromosomes to develop the disease. And if she also has blue eyes, she had to have inherited a recessive allele from the mother and another from the father. So with this information we can say that the father's genotype can only be X^YAa. Because the father must have both A and A alleles of the same eye color, because he passed the dominant one to the son and the recessive one to the daughter. At last, the genotype of the daughter is X^X^aa.

8 0
4 years ago
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