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Aloiza [94]
3 years ago
11

If a horse and zebra breed to produce a sterile horse.____

Biology
1 answer:
Vaselesa [24]3 years ago
4 0

Answer:

Biogeographic isolation is the separation of organisms of a species through geographical or biological forces.

Explanation:

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What 2 enzymes are used during dna replication describe what each does during replication?
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Dna primase and Dna polymerase
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3 years ago
Polydactyly is a dominant trait. what symbol on a pedigree chart would represent a male who has polydactyly
Sunny_sXe [5.5K]

The right answer is a colored square (or shaded).

Polydactyly is defined as the presence of one or more extra fingers in the hand or one or more toes in the foot.

It is a dominant trait, it means that the heterozygotes will express the trait.

In general, healthy men are represented by white squares, while sick men are represented by colored squares (most often in black).

8 0
3 years ago
Consider the following three populations of birds. Assume HW equilibrium. With these birds red coloring is recessive, while brow
bixtya [17]

Answer:

Red allele frequency will be highest in population II

Population III can undergo bottleneck effect

The frequency of the brown allele will  least likely be altered in the population I

Explanation:

Population I -

Total population - 670

Brown birds - 603

Red birds - 67

Population II

Total population - 100

Brown birds - 90

Red birds - 10

Population III

Total population - 30

Brown birds - 27

Red birds - 3

Frequency of red birds in population I

\frac{67}{670} = 0.1

Frequency of red birds in population II

\frac{10}{90} = 0.11

Frequency of red birds in population III

\frac{3}{30} = 0.1

Red allele frequency will be highest in population II and it will be equal to \sqrt{0.11} = 0.33 as compared to 0.31 in case of population I and III

Population III can undergo bottleneck effect because of smaller population size

The frequency of the brown allele will  least likely be altered in the population that has highest  brown individual , i.e population I

4 0
3 years ago
Which respiratory-associated muscles would contract or relax during forced expiration, for example blowing up a balloon?
Nutka1998 [239]
The correct answer is B, internal intercostal muscles and abdominal muscles would contract.
Exhalation is the flow of the breath out of the body. During forced exhalation, internal intercostal muscles contracts which lower the rib cage and decrease thoracic volume, while the abdominal muscles push up on the diaphragm which causes the thoracic cavity to contract. 
8 0
3 years ago
Read 2 more answers
Which is NOT an example of
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A. Air temperature
The air temperature does not effect how producers get their source of energy. Soil moisture and available sunlight are important for photosynthesis regarding energy conversions.
7 0
3 years ago
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