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NikAS [45]
3 years ago
7

What's the answer to this question

Biology
1 answer:
beks73 [17]3 years ago
6 0

Answer:

I could not see it could you take a pick closer

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Suppose a couple has come to see you to discuss the probability of their children having cystic fibrosis (CF). CF is known to be
m_a_m_a [10]

Answer:

The children that the couple may have a 25% chance of having cystic fibrosis and 75% chance of being carriers for the CF gene

Explanation:

We know that both parents are in the same situation. Let's start for example with the mother. She has one parent and one sibling with cystic fibrosis (CF). So, supposing that the allele of the gene that causes the disease is <em>"f"</em>,  as the disease is autosomal recessive, both, the parent and the sibling have the genotype ff.

Also, knowing that the other parent has a normal phenotype, but the sibling has CF, we deduce that the other parent of the mother must have a <em>Ff</em>.

So, <em>despite the mother's phenotype is normal, her genotype is Ff</em> (see the Punnett square 1) Couple's parents in the attached image). In other words, she is a carrier for the CF gene.

As the parents' situation is analogous, <em>we can deduce that the father also has a genotype Ff  </em>and is also a carrier for the CF gene.

Now, if we look at the Punnett square for them  (see the square 2) Couple in the attached image), we see that all their children will always have at least one copy of the CF allele, <em>f</em>.

More specifically, their children have 25%  chance of having cystic fibrosis and 75% chance of having a normal phenotype but being carriers of the CF gene.

6 0
3 years ago
Which component of the thin filament makes the main string of pearls portion of the filament?
Brums [2.3K]

jagged line of protein discs which attach thin filaments from end to end,  trace the boundary where sarcomeres connect, thick  type of smallest muscle unit: composed of staggered arrays of many myosin molecules which interact with actin when calcium is present. 

3 0
3 years ago
A patient undergoing external radiation has developed a dry desquamation of the skin in the treatment area. The nurse teaches th
Sphinxa [80]

a) "I can buy some aloe vera gel to use on the area."

Explanation:

The best statement made by the patient to have summed up the effective of the teaching is that "I can buy some aloe vera gel to use on the area".

Desquamation of the skin is a medical condition that involves the peeling of the skin. It involves the shedding of the outermost layer of the skin layer. It is also referred to as exfoliation.

  • Skin peeling be as a result of some infections that affects the skin.
  • It can also be due to sun burn of the skin.

Application of aloe vera gel on the area can soothe the peeling of the skin and moisten the area. This an effective process.

Learn more:

Skin burn brainly.com/question/3045789

#learnwithBrainly

7 0
3 years ago
Read 2 more answers
What is a list of types of organisms in an eco pyramid?
gtnhenbr [62]

Termites, koalas, field mice, and deer.

7 0
3 years ago
As a result of the experiment scientists did with Mexican tetras, it seems likely that their first hypothesis about blindness in
Katena32 [7]

<em><u>Sample Response:</u></em> The data for the first part of the experiment support the first hypothesis. As the force applied to the cart increased, the acceleration of the cart increased. Since the increase in the applied force caused the increase in the cart's acceleration, force and acceleration are directly proportional to each other, which is in accordance with Newton's second law.

4 0
3 years ago
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