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allsm [11]
3 years ago
7

A. Crossing over results in the exchange of genetic material of homologous chromosomes.

Biology
1 answer:
EastWind [94]3 years ago
8 0

Answer:

C

Explanation:

gjgjfcjfjfjfjfuffutjfjfff#cggf#vggggggf

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two species, y and z, occupy adjoining environmental portions of land that differ in several abiotic (nonliving) factors (climat
iogann1982 [59]

Answer:

They are different species

Explanation:

Could be that they look similar or that they can share similar environmental portions of land. But, if one specie has more land to colonized and do not do it, that mean that the environmental conditions are not the ideal for it like it is mention the climate (maybe hotter or cooler) or soil (it has a different pH, is lack of one esential nutrient, etc. )

8 0
3 years ago
Why would it be wise for a woman carrying the hemophilia gene to keep her son from being circumcised?
xenn [34]

Answer:

Because the probability of hemophilia would be 1:4

Explanation:

Hemophilia is a disease that comes with a sex chromosome (pair 46).

It is a recessive allele associated with chromosome X, women have two X chromosomes they can carry it, but they don't have it because they have another dominand allele non-hemophilic.

If you draw a Punnet square with a non-hemophilic father and a carrying mother, you'll found you have 1:4 chances of having a baby boy with hemophilia.

Carrying mother = X(H)X(h)

Father = X(H) Y

8 0
2 years ago
Homologous chromosomes migrate to opposite poles during _____.
Drupady [299]
They migrate during Anaphase :)

4 0
3 years ago
What time of year do monarch butterflies fly into the state of Connecticut?
UkoKoshka [18]
Mostly during the summer, July would be the best month to see them.

5 0
2 years ago
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The ionosphere is
IRISSAK [1]

Answer:

the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50 to 600 miles above the earth's surface.

Explanation:

4 0
3 years ago
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