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Mazyrski [523]
4 years ago
8

In the lab, Nachman examined dark mice from two different populations living hundreds of miles apart. The mice looked nearly ide

ntical. Their dark color was caused by two different genes. What does this tell you?
Biology
1 answer:
sergiy2304 [10]4 years ago
8 0

Answer:

Explanation:

Several conclusions can be drawn from this observation;

1. The adaptation for fur colour in the mice from both location was similar, this could be because both environments have almost similar conditions.

2. It is also an indication that the dark fur colour may have evolved independently in both populations.

3. Two completely different mutations in two separate genes can generate the same phenotype.

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Genetics

Explanation:

Heredity refers to one's genes

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Symbiotic soil microbes convert nitrogen gas to a form that the plants can use (NH4+ or NO3-)

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Based on the data in Table 1 and the biomass of the very large animals eaten by the lions, predict the likely effect on both the
ch4aika [34]

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A geneticist introduces a transgene into yeast cells and isolates five independent cell lines in which the transgene has integra
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Answer:

A) A transgene integrated into a heterochromatic region of the genome.

Explanation:

This is most likely the reason why the transgene is not expressed in the fifth cell line. It is likely that the transgene was integrated into a heterochromatic region of the genome. Heterochromatin consists of genetically inactive satellite sequences, and many of these are repressed to various extents. Moreover, because this is a tightly packed form of DNA or condensed DNA, it is inaccesible to polymerases and thus not transcribed.

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4 years ago
Food webs, food chains, and trophic levels are all tools to help ecologist understand which of the following
oksian1 [2.3K]

The energy flow within an ecosystem.

Animals can utilize both radiant and fixed energy. The fundamental unit of electromagnetic waves like light is radiant energy. Fixed energy is chemical potential stored in various organic materials that can be damaged to release their energy.

Autotrophs are organisms that can fix radiant energy and can synthesize organic compounds from inorganic materials. Heterotrophs are organisms that cannot receive energy from an abiotic source but rely on organic compounds produced by autotrophs that are rich in energy.

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