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3 years ago

How does DNA code for traits

1 answer:

3 0

The sequence of nucleotides in DNA genes determines the order of amino acids in a protein. This is the direct connection between your genes and your traits. The mechanism is a two-step process. First an enzyme transcribes a gene to an intermediate biochemical called ribonucleic acid, or RNA.

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Natural selection favors

Effectus [21]

Answer:

D, organisms that survive long enough to reproduce.

Explanation:

C and D are the best answers. Adaptations and skills other than speed and strength contribute to an organism's survival too, so that means it isn't C. Natural Selection is about how an organism must have useful traits to survive to reproductive stage and successfully reproduce, so it would definitely be D.

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3 years ago

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Which of these results is an advantage of the green transportation technology shown in the picture compared with gasoline techno

Thepotemich [5.8K]

Answer:

C. Prevents sir pollution

Explanation:

Because when cars a running they produce fumes which pollute our air. Also that is a car electric charger

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3 years ago

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In a hardy-weinberg population with two alleles, a and a, that are in equilibrium, the frequency of the allele a is 0. 3. What i

zavuch27 [327]

Here, given-

homozygous alleles 'a' have a frequency of 0.3.

Also the alleles are in equilibrium in a Hardy-Weinberg population. The frequency of individuals that are homozygous for this allele are= 0.49.

The Hardy-Weinberg equilibrium can be defined as the principle which states that the variation in the genetic makeup of a population remains constant and unchanged till there are no external interferences, influencing the population.

Calculation-

$p + q = 1\\0.3 + q= 1\\q= 1- 0.3\\\\q= 0.7$

Then to find the frequency of the individuals homozygous for this allele the following formula needs to be used-

$p^{2} + 2pq + q^{2} =1$

$p^{2} = dominant homozygous frequency\\2pq= heterozygous frequency\\q^{2} = recessive homozygous frequency\\$

Thus, the individuals homozygous for the allele can be calculated by $q^{2} = (0.7)^{2} \\= 0.49$

Learn more about the Hardy-Weinberg equilibrium here-

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2 years ago

Mass is used _________ than weight by scientists.

Cerrena [4.2K]

More often. please correct me if I am wrong

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4 years ago

Michael observed dew in the early morning. The water vapor has transitioned in the form of dew. What is this process called?

vodomira [7]

Answer: Condensation

Water vapor is water in a gaseous state. Transformation of water into gaseous state (water vapor) is called evaporation. Transformation of the water vapor into dew which Michael observed in the early morning is called condensation.

Dew<span> is water droplets that appears on exposed objects like leaves in the morning or evening due to condensation</span>

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3 years ago

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