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MakcuM [25]
3 years ago
7

What are some of the dangers that volcanoes pose to human populations?

Biology
1 answer:
ss7ja [257]3 years ago
7 0
Volcanoes affect people in many ways, some are good, some are not. Some of the bad ways are that houses, buildings, roads, and fields can get covered with ash. As long as you can get the ash off (especially if it is wet), your house may not collapse, but often the people leave because of the ash and are not around to continually clean off their roofs. If the ashfall is really heavy it can make it impossible to breathe.

Lava flows are almost always too slow to run over people, but they can certainly run over houses, roads, and any other structures.
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For an offspring to ___________ a recessive trait, both parents must have at least one
Crazy boy [7]

For an offspring to dominate a recessive trait, both parents must have at least one dominant allele in their genotype.

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3 years ago
The nursing is caring for four different clients with eye disorders. Which client should be assessed for asthma before prescribi
max2010maxim [7]

The correct answer is The patient with reduced outflow of aqueous humor and increased intraocular pressure.

This is because this condition can cause glaucoma, that needs to be treated with different drugs. Before prescribing β adrenergic blockers, assessed must be dun because if these drugs are absorbed systematically, they constrict pulmonary smooth muscle and narrow airways.


5 0
3 years ago
(c) Based on the data in Table 1, describe why the dominant alleles for body color and wing shape are the alleles that produce a
Brrunno [24]

Answer:

Check the explanation

Explanation:

Consider the below table of F2 data of phenotypic flies: we can reconstruct the table as seen in the second attached image below:

From the above observations it is clear the Gray body long wings and Ebony body vestigial wings are the parental combinations and that the Gray body vestigial wings and Ebony body long wings are the recombinants.

Also the ratio indicates that Gray body is dominant over ebony body and that long wings is dominant over vestigial wings.

here the genes for the two characters have shown independent assortment which means that the genes are unlinked if located on the same chromosome or are located  on different chromosomes.

Now F1 hybrid= GgLl (G for Grey and L for Long)

Cross between F1 hybrid and true breeding Gray vestigial (GGll)

GgLl x GG ll

Gametes-----------> GL Gl gL gl Gl

        GL                          Gl                      gL                  gl

Gl    GGLl                      GGll                  GgLl               Ggll

   (Gray long)      (Gray vestigial)     (gray Long)     (Gray vestigial)

Therefore the probability of getting the flies with gray body vestigial wings= 2/4= 50%

b) The reason why the students obtained the above given F2 results involving a cross between true breeding Gray body and long wings with true breeding Ebony body and vestigial wings is that the genes for the two charcters asssort independently in F2 generation and that the genes are not linked as:

Parents------------------> GGLL x ggll

Gametes -----------------> GL gl

F1---------------------> GgLl (Gray long but in heterozous condition)

Now GgLl x GgLl

Gametes GL Gl gL gl   GL Gl gL gl

Here gametes assorted independently and hence in F2 generation we got the above results (U can show the results in the form of punnett square.

4 0
3 years ago
Where does the male human body store sperm until it reaches full maturity?
statuscvo [17]
Once the sperm cells are formed, the are stored in the epididymis, where they are temporarily stored while they mature.

Hope this helps :)
6 0
3 years ago
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Comparing the fetus's of a chicken and human is evidence for
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The answer to ur question is a
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