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earnstyle [38]
3 years ago
12

During a routine prenatal care visit, a pregnant woman in her last trimester of pregnancy reports that she has occasional shortn

ess of breath. the nurse instructs her that:
Biology
1 answer:
Gala2k [10]3 years ago
4 0
Shortness of breath is very common in the last trimester of pregnancy. This is because, the baby inside the uterus is growing and it starts to push the uterus that compresses the lungs above the diaphragm. This, leads to restricted expansion of the lungs while breathing and causes shortness of breath. Another reason for shortness of breath can be due to low iron content in the body.
If a pregnant woman in her last trimester reports occasional shortness of breath, the nurse should instruct her to:
1. take deep breath and start doing prenatal yoga
2. sleep on the left hand side
3. practicing good posture and standing straight
4. relax as much as possible
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3 years ago
1. Explain how recombination facilitates adaptive evolution. In your answer, address both how it facilitates the fixation of ada
cupoosta [38]

Answer:

By changing allelic association recombination can aid solution, either helping to bring two beneficial alleles from an otherwise well adopted genome. He natural selection only acts on the population heritable traits selecting for the beneficial alleles and thus increasing their frequency in the population, while selecting against deleterious alleles and thereby decreasing their frequency as the process known as adaptive evolution    

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Which of the following accurately summarizes the process of photosynthesis?
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7 0
3 years ago
In rabbits, short hair is due to a dominant allele, S, and long hair to its recessive allele, s. Black hair is due to a dominant
Finger [1]

Answer:

SsBB  and SsBB

or

SsBB and SsBb

Explanation:

To produce a ratio of offspring where the number of short haired black offspring is three times that of the long haired black offspring. Since, the long haired offspring can only be inherited in the recessive manner in two copies, thus possible genotypes of the parents could be:

SsBB  and SsBB

or

SsBB and SsBb

SsBB  and SsBB

         SB      sB

SB    SSBB   SsBB

sB     SsBB   ssBB

3/4 short haired black offspring and 1/4 long haired black offspring

SsBB and SsBb

          SB        Sb      sB       sb

SB    SSBB  SSBb  SsBB   SsBb

sB     SsBB  SsBb   ssBB    ssBb

6/8=3/4 short haired black offspring and 2/4=1/4 long haired black offspring

6 0
3 years ago
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