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MA_775_DIABLO [31]
2 years ago
11

What are Red data list used for​

Biology
1 answer:
Fiesta28 [93]2 years ago
3 0

Answer:

°Draws attention to the magnitude and importance of threatened biodiversity.

°Identifies and documents those species most in need of conservation action.

°Provides an index of the decline of biodiversity.

Establishes a baseline from which to monitor the future °status of species.

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Which of the following is a method that genetics use to determine if an individual has chromosome abnormalities?
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You cross two true-breeding parents (one with yellow seeds and one with green seeds), grow and self-pollinate the F1 generation,
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1500

Explanation:

Let's assume that the allele for yellow seed color is "Y" and the allele for green seed color is "y". Genotype of pure breeding yellow seeded plant would be "YY" and that of the green seeded plant would be "yy". A cross between YY and yy gives all heterozygous yellow seeded plants (Yy) in F1 progeny. Self pollination of two F1 plants (Yy x Yy) obtains F2 generation in 3 yellow: 1 green ratio.

The total population size of F2 generation = 2000

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3 years ago
4. When the difference in the electronegativity of 2 elements is small,
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Explanation:

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2 years ago
Which sample is a pure substance?
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What is the endosymbiotic hypothesis?
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Answer: What does the endosymbiont hypothesis propose? It proposes that early eukaryotic cells acquired the precursors of mitochondria and chloroplasts by engulfing certain types of bacteria. ... Mitochondria, chloroplasts, and centrioles in eukaryotic cells each contain their own minute and unique supply of DNA.

Explanation:

The first piece of evidence that needed to be found to support the endosymbiotic hypothesis was whether or not mitochondria and chloroplasts have their own DNA and if this DNA is similar to bacterial DNA. This was later proven to be true for DNA, RNA, ribosomes, chlorophyll (for chloroplasts), and protein synthesis.

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