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Masteriza [31]
3 years ago
8

Determine which biome each characteristic deescribes

Biology
1 answer:
Bumek [7]3 years ago
5 0

Answer:

desert

Explanation:

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2. Tim and Stephanie are devastated when the
saul85 [17]

Answer:

Explanation:

<em>Tim and Stephanie are devastated when they find out their newborn son has hemophilia- sex-linked recessive disease. Tim is shocked because he doesn’t have hemophilia, and figured if his son has it he would have gotten it from him. Is Tim correct in his thinking? Explain. Also explain what their genotypes must be in order for neither parents to have the disease but their son does. Create a Punnett square, and indicate the mother's and father's genotype.</em>

<em />

First of all, the thinking of Tim is wrong. Hemophilia is X-linked and a male (XY) child always inherits his X chromosome from his mother. Hence, <u>the newborn son of Tim must have inherited the allele for the disease from Stephanie.</u>

Now, neither Tim nor Stephanie showed any symptom of hemophilia. It could only mean that Tim is totally free of the hemophilic allele while Stephanie is a carrier for it. Because a man has just one X chromosome, he can either be totally free of the abnormality or affected by it, no in-between. A woman has two X chromosomes, hence, she can be totally free, a carrier, or affected for the disease. Assuming the allele for hemophilia to be h, Tim's genotype would, therefore, be X^HY while that of his wife would be X^HX^h .

The Punnet's square analysis of the cross between Tim and Stephanie is indicated in the attached image.

3 0
3 years ago
He process of exchanging oxygen and carbon dioxide between the alveoli and the blood of the capillaries is called:
boyakko [2]
The name for that is gas exchange
7 0
3 years ago
Most of a plant's mass comes from ...
trapecia [35]

Answer:

from carbon dioxide

Explanation:

6 0
3 years ago
If you help me ill give you 100 points
alexdok [17]

Answer:

Dissolved oxygen concentrations are constantly affected by diffusion and aeration, photosynthesis, respiration and decomposition. While water equilibrates toward 100% air saturation, dissolved oxygen levels will also fluctuate with temperature, salinity and pressure changes ³.

Relationship between oxygen uptake and dissolved oxygen concentration The potential for adverse effects of low DO concentrations on fish can be defined ...

Explanation:

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baby jamison was born with . this is a genetic disorder in which the lungs are clogged with large quantities of abnormally thick
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Baby jamison was born with Cystic Fibrosis (CF)
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