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olya-2409 [2.1K]
2 years ago
9

Use the data and what you have learned about evolution to explain how mutation is a random process, but natural selection is not

random.
Biology
1 answer:
Marina CMI [18]2 years ago
4 0

The data are not found here, but evolution means 'descendence with modification', which may occur due to natural selection and mutations.

<h3>What is evolution?</h3>

Evolution is descendence with modification, which generally is caused by a process called natural selection.

Natural selection 'selects' the most adaptive variants in the population, which occurs due to the emergence of mutations.

A mutation is any genetic change in the nucleotide sequence of the genome of an individual.

Learn more about evolution here:

brainly.com/question/4207376

#SPJ1

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The three organisms that belong in the same phylum as your Protist are:1. Algae: Algae are plant-like Protist and are all photosynthetic Protists. 2. Protozoa: Protozoa are animal-like Protists3. Heterotrophs: Heterotrophs are fungi-like Protists. An example is what is known as True Slime Moulds.
A Protist is any organism that is not a plant, animal or fungus. They are normally unicellular, although some can be multicellular, for example, Algae. They all have a nucleus and they mostly live in water.
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Vitamin B12 is important for the body to function. It helps keep nerve cells healthy, and it helps with the formation of red blo
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4 years ago
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There is a population of alien dogs, species Dogus Cute-ee-us, that live on the planet Woof. Their genomes and biology are amazi
kupik [55]

Answer:

c. 1:4:6:4:1

Explanation:

The term quantitative heritability refers to the transmission of a phenotypic trait in which expression depends on the additive effect of a series of genes.  

Polygenic heritability occurs when a trait results from the interaction of more than one gene. And these genes can also have more than two alleles. The action of many genes and alleles can cause many different combinations that are the reason for genotypic graduation.  

Quantitative traits are those that can be measure, such as longitude, weight, eggs laid per female, among others. In the exposed example, the measurable trait is the dog´s friendliness. These characters do not group individuals by any precise and clear categories. Instead, they group individuals in many different categories that depend on how the genes were intercrossed and distributed during meiosis. The result depends on the magnitude in which each allele contributes to the final phenotype and genotype. When they interact, they create a gradation in phenotypes, according to the level of contribution.  

In the exposed example, each dominant allele contributes with a higher level of friendliness.    

  • aabb → 0 = Unfriendly/Loner (although not aggressive);
  • Aabb, aaBb → 1 = Somewhat friendly/shy;
  • AAbb, AaBb, aaBB → 2 = Friendly;
  • AABb, aABB → 3 = Very friendly;
  • AABB → 4 = Maximally friendly.

Cross: between two dihybrid friendly dogs

Parentals) AaBb    x    AaBb

Gametes) AB, Ab, aB, ab

                AB, Ab, aB, ab

Punnett square)   AB       Ab       aB       ab

                   AB   AABB   AABb  AaBB  AaBb

                    Ab   AABb    AAbb  AaBb  Aabb

                    aB   AaBB    AaBb   aaBB   aaBb

                    ab    AaBb    Aabb   aaBb   aabb

F1) 1/16 AABB ⇒ 4 = Maximally friendly

    4/16 AABb + AaBB ⇒ 3 = Very friendly

    6/16 AAbb + AaBb + aaBB ⇒ 2 = Friendly

    4/16 Aabb + aaBb ⇒ 1 = Somewhat friendly/shy

    1/16 aabb ⇒ 0 = Unfriendly/Loner

The Phenotypic ratio is 1:4:6:4:1

   

6 0
3 years ago
What is the theory of natural selection, and why does it occur in an organism? Give an example.
BlackZzzverrR [31]

Answer:

It occurs in organisms because an organism with a beneficial trait/mutation have a higher chnace of surviving compared to organisms that do not. So the organsims that do survive pass on their genes to the next generation, and the bext generation will pass on those genes to the generation after and so on. But all the organisms that do not possess a beneficial trait/mutations will not survive, therefore they cannot reproduce and pass on those genes to their offspring. This means that most of the population will posses that trait/mutation.

Example: Spotted moths camouflage with bark so they are seen by predators and eaten. Black moths are easily seen by predators and are eaten. Spotted moths then pass on their genes to the next generation of moths.

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The temperature of the earth
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