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VashaNatasha [74]
3 years ago
7

How would an object blocking a bronchus affect its airflow?

Biology
1 answer:
igomit [66]3 years ago
6 0
Because the lung has two bronchi, it can still function if one bronchus is blocked by a foreign object. No gas exchange will happen to the affected side, and the other lung will compensate for the loss of air. The blocked portion though can become inflamed and can lead to infection and damage.
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When crossing over occurs between two linked genes in an F1 dihybrid testcross, the frequency of the parental phenotypes will al
NeX [460]

Answer:

Greater.

Explanation:

Linked genes may be defined as the genes that are present on the same chromosome or may close enough that can pass in the next generation together.  

The results of the crossing over in linked genes result in the formation of recombinant progeny. The frequency of the recombinant progeny will always be lesser than the parental progeny and cannot be more than 50%. If it is more than 50% these genes are considered as linked genes.

Thus, the answer is greater.

4 0
3 years ago
Which has greater momentum, a 2.0kg hockey puck moving east at 2.5m/s or a 1.3kg hockey puck moving south at 3.0m/s?
ElenaW [278]

Answer:

I am pretty sure it is 1.3kg hockey puck moving south at 3.0m/s because it weighs less

7 0
3 years ago
In addition to long periods of time, all of the following are necessary for the formation of fossil fuels EXCEPT –
Sedaia [141]

Answer:

volcanic eruption

Explanation:

its just not necessary :)

7 0
3 years ago
In An experiment, there are two groups. Which group is not changed in anyway?
I am Lyosha [343]
Control group doesn't change any way. 
6 0
4 years ago
If a mutation occurs in a body cell and the mutation changes the phenotype of the individual, what will happen to the offspring
denis-greek [22]

Answer:

The correct option is B. The offspring will inherit neither the genotype nor the phenotype change.

Explanation:

Any changes which occur in the DNA sequence of a person are termed as mutations.

Mutations will only be transferred to offsprings if the mutated gene or sequence gets incorporated into the genome of the mutated person.

In the above scenario, the mutation is just changing the person's phenotype and it has not been incorporated in the genotype of the affected person. Hence, the offsprings will not inherit the mutation, nether in their genotype nor the phenotype.

3 0
3 years ago
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