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Zinaida [17]
3 years ago
9

This experiment is an example of hypothesis-based science. What question did the researchers ask? What question did the research

ers ask? Do male guppies in pools with pike-cichlid fish have brighter color patterns than females in the pool? Do female guppies prefer to mate with males with bright color patterns or drab colors? Can predation result in selection for color patterns in guppies? Do killifish prefer to prey on juvenile guppies or adult guppies?
Biology
1 answer:
Kamila [148]3 years ago
7 0

Answer:

Can predation result in selection for color patterns in guppies?

Explanation:

Researchers took guppies from their pools that is seen to have pike­cichlid fish (a huge guppy predators) and then implanted it in another pools that is seen to have the killifish (they are not really active predators that prey wholly on the childish and immature guppies). They then estimated to see if the color patterns in the grafted or transferred population undergo some alterations in the course of time.

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When heterozygous advantage exists, how would you describe the fitness of the heterozygous genotype?
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When heterozygous advantage exists, the fitness of the heterozygous genotype has higher fitness than either homozygote.

<h3>What are genotypes and phenotypes ?</h3>

A person's genotype is made up of all the alleles they have for a certain gene. The sum of a person's attributes or observable characteristics is their phenotype. The phenotype of an organism is only impacted by its genotype, which is directly inherited from its parents.

<h3>Types of genotype :</h3>

There are three different genotype types: homozygous dominant (PP), homozygous recessive (PP), and heterozygous (Pp). The traits are the same in homozygous dominant and heterozygous genotypes.

<h3>Heterozygous</h3>

The existence of two unique alleles at a specific gene locus. One normal allele, one mutant allele, or two separate mutant alleles may be present in a heterozygous genotype.

<h3>Homozygous </h3>

Contrary to a heterozygous genotype, a homozygous genotype exists. You inherited two copies of the same allele if you have a gene called homozygosity. In other words, both of your biological parents contributed the same variations.

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2 years ago
Which of the following describe ways septic tanks potentially contaminate drinking water?
Alexandra [31]

Answer:

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4 0
3 years ago
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Arrange according from largest to smallest in size:
Inessa [10]

Answer:

The correct answer is "Redwood tree; human being; Paramecium; White Blood Cell; Escherichia coli; Chickenpox virus; Ribosome; Prion fibril; Water molecule; Sulfur atom".

Explanation:

Redwood trees are gigantic trees, and its size can reach up to 90 meters.

The average size of a human being is 1.7 meters for males and 1.6 meters for females.

Paramecium are members of the protozoa genus, among the largest unicellular algae. Its average size is among 50 to 330 micrometers.

White Blood Cell are up to 17 micrometers in diameter.

Escherichia coli is a type of bacteria, as a prokaryotic organism is much more smaller than a eukaryotic cell such asa the white blood cell. Escherichia coli is up to 2 micrometers in diameter.

Chickenpox virus are among the largest viruses, they are from 150 to 200 nanometers in diameter.

Ribosomes vary on size depending if they are Prokaryotic or Eukaryotic, where the first are up to 20 nanometers and the second are up to 30 nanometers.

Prion fibrils are aggregates comprised of several protein units. It size varies depending on the number of proteins, but the ones containing around 200 units can reach up to 27 nanometers.

Water molecule is comprised of two atoms of oxygen and one atom of hydrogen, its size is measured with picometers (1 picometer is equal to 1000 nanometers). A water molecule has a size of 275 picometers.

Sulfur atom is the smallest in the list. Its size is around 100 picometers.

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3 years ago
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A change in their food, from trees to grass in the Great Plains.

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