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djyliett [7]
3 years ago
8

Stem cells that will form b cells or nk cells are found only in the

Biology
1 answer:
ArbitrLikvidat [17]3 years ago
3 0
<span>Stem cells develop into different types of cells as an organism grows. They also act as internal repair systems. They divide without limit so as to replenish other types of cells as long as the concerned organism is still alive. Stem cells that develop to form either B cells or NK cells are normally found in the bone marrow.</span>
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The epicenter of an earthquake is located in a sandy desert region. Seismic waves move outward from the epicenter. A rocky regio
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The total number of organisms an ecosystem can support is its tolerance range. True or false
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Answer;

The above statement is false

The total number of organisms an ecosystem can support is its carrying capacity.

Explanation;

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A population of wild-flowers was scored for flower color. There were 302 blue (BB) plants, 1857 violet (BR) plants and 811 red (
Paul [167]

Answer:

frequency of the blue (B) allele = 0.4142

frequency of the red (R) allele = 0.5858

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

Explanation:

Frequency of blue allele is

Frequency of blue allele is equal to sum of frequency of BB and half of frequency of BR

\frac{302}{2970} + \frac{1}{2} \frac{1857}{2970} \\= 0.1016 + 0.3126\\= 0.4142

Frequency of other allele

1- 0.4142\\= 0.5858

Chi Square test

See the attached file

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

7 0
3 years ago
A change in DNA is called what?
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Your right it is mutation
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