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harina [27]
3 years ago
5

If we cross Surface fish (have eyes and are not albino) with fish from Cave Scarlet, the F1 progeny have eyes and are not albino

. If we backcross these F1 Surface/Scarlet hybrids to Scarlet cavefish, 50% of the progeny are albino and 50% are not albino. In terms of the eye phenotype, there is a broad range of eye phenotypes extending from no eyes like the original Scarlet population to complete eyes like surface fish (with varying degrees of eye formation in between
Biology
1 answer:
Rainbow [258]3 years ago
6 0

Answer:

More than one gene is controlling the loss train of that eye. Thus, the Cross among the scarlet and grey species, F1 crossover has fractional eyes. Despite the fact that both sort of cavern fishes are visually impaired, yet cross between them has brought about offspring with fractional eyes. This shows multi-gene legacy for eye misfortune attribute. Blending of two genotypes has brought about incomplete characteristic in the descendants.

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This study is replicated in the Appalachian Mountains with similar results. Which of the following is true? The number of days w
Trava [24]

Answer:

There was no change in the number of days with poor flower availability

Explanation:

When replicating a study, the researcher develops the exact same study (experiment/treatment) in different places (experimental unit). In this case, as the researcher replicates the study in the Appalachian Mountains and gets similar results, that means that there was no change in the number of days with poor flower availability.

8 0
3 years ago
What are the various characters of living beings​
Doss [256]

Answer:

All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these eight characteristics serve to define life.

Explanation:

What are the characteristics of living beings?

Although nonliving things may show some of these characteristic traits, only living things show all of them.

Organization. Living things are highly organized, meaning they contain specialized, coordinated parts. ...

Metabolism. ...

Homeostasis. ...

Growth. ...

Reproduction. ...

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Evolution.

7 0
3 years ago
How many distinct stages must occur between the point when light first encounters chlorophyll and the point at which
Novay_Z [31]

Explanation:

<u>Three.</u>

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Further Explanation:

Photosynthesis is a chemical process, essential to plant and other primary producers producing energy. As oxygen is emitted, energy in the form of glucose molecules is created from light, water, and carbon dioxide. It happens in several complicated stages, photosynthesis is a speed-limited process, depending on several factors including concentration of carbon dioxide, ambient temperature and light intensity; energy is extracted from photons, i.e. light particles, and water is used as a reduction agent. It occurs in the thykaloids, where pigment molecules live like chlorophyll.

Photosynthesis occurs in several complex steps and is a reaction of a small duration, depending on several fa factors including carbon dioxide concentration, ambient temperature and light intensity; the energy is retrieved from photons, I.e. particles of light, and water is used as a reducing agent. Water supplies the chlorophyll in plant cell with replacement electrons for the ones removed from photosystem II.

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  • Water (H2O) divided into H+ and OH-by light during photolysis serves as a source of oxygen along with acting as a reduction agent; it reduces the NADP molecule to NADPH by supplying H+ ions and generates molecules of the energy storage molecule ATP through an electron transport chain.
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  • Later, NADP and NADPH are used in dark reactions during the Calvin cycle, where monosaccharides or sugars such as glucose are produced after several molecules have been modified. These store energy in their bonds which in the mitochondria can be released in respiration.

Learn more about photosynthesis at brainly.com/question/4216541

Learn more about cellular life at brainly.com/question/11259903

#LearnWithBrainly

8 0
3 years ago
Read 2 more answers
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Sladkaya [172]

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Explanation:

6 0
3 years ago
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-Dominant- [34]
They must find food 
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