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xxMikexx [17]
3 years ago
11

Question 1 of 5

Biology
1 answer:
disa [49]3 years ago
4 0
Answer:
B.) Hand lens
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A scrubber uses water to remove smoke from burning coal.
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3 years ago
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A plant breeder has determined the following variances for yield of corn in his fields:
Law Incorporation [45]

Answer:

A. VG = 80

B. Broad sense heritability = 0.80

C. Narrow sense heritability = 0.30

D. Average yield = 430 Units

Explanation:

A. Given that

VA = 30

VD = 50

VI = assumed not available

Therefore

Total genetic variance (VG) = VA + VD

= 30 + 50

= 80

VG = 80

B. Given that

VP = 100

VG = 80

Broad sense heritability, H2 = VG/VP

= 80/100

= 0.80

C. Given that

VA = 30

VP = 100

Narrow sense heritability, h2 = VA/VP

=30/100

= 0.30

D. The difference in selection = 500 - 400

= 100

Recall,

Selection response is heritability multiplied by selection differential.

That is

R = h2S

Selection differential = 100

Heritability h2 = 0.30

Selection response = 0.30 × 100

= 30units

Therefore, expected average yield = 400 + 30

= 430 Units

6 0
3 years ago
Which of the following is a demonstration of the polarity of water?
ozzi

Answer:

All of the above

Explanation:

In letter A, B, and C; in different physical situation the molecule of water behave and put in charge with its peculiar polarity. Remember that is part its quite simple and molecular structure.

Water is "dipolar", because there is an uneven distribution of electron density. Water has a partial negative charge (Delta-) near the oxygen atom due the unshared pairs of electrons, and partial positive charges (Delta-) near the hydrogen atoms.

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Check out the map showing tornado alley in the U.S. Although tornadoes can occur anywhere, they are most likely to occur when wh
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Answer: B

Explanation:

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Can someone help me please
Nesterboy [21]

Answer:

a. Centromere

A centromere is a specialised DNA sequence of a chromosome that links pair of sister chromarids (a dyad)

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3 years ago
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