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Law Incorporation [45]
3 years ago
10

Polyploidy occurs when duplicated chromosomes do not separate during meiosis and an entire set of chromosomes migrate to the res

ulting daughter cells. The process of producing polyploid offspring is modeled above. What outcome might this have on animals AND on plants? A) This process would produce genetic diversity in both animals and plants. B) This process would produce non-viable offspring for both plants and animals. C) This process results in the formation of new species in animals but not in plants. D) This process would produce non-viable embryos in animals but may increase genetic diversity in plants.
Biology
2 answers:
soldi70 [24.7K]3 years ago
8 0

Answer:

is B

Explanation:

Ludmilka [50]3 years ago
8 0

Answer:

d

Explanation:

...

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Contractions of the heart generate blood pressure, which is responsible for moving blood through the blood vessels.
malfutka [58]

The contractions of the heart is what creates out blood to pulse through out body and is the basis of our blood pressure; which means this statement is TRUE.


The systolic number (top) of the blood pressure is our heart physically pushing the blood out of the heart and to the rest of the body.

The diastolic number (bottom) of the blood pressure our heart at rest when it has just finished with one pump.

8 0
3 years ago
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Which chromosomal event in meiosis explains mendel's principle of independent assortment?
fiasKO [112]
Crossing over? That involves the random exchange of chromosomes. 
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3 years ago
Why do scientists carry out experiments
denis-greek [22]

Answer:

To test hypothesis and learn more about the world around us. We don't want to live in the dark, now do we? its human nature to wonder and imagine and explore. It's the major quality that makes us even human.

Explanation:

if you were looking for a long answer there u go XD. but a shorter one is just to learn about the world around us.

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3 years ago
True or false
antiseptic1488 [7]
True
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3 years ago
Please help me wuth this:
ipn [44]

1. Answer;

It facilitates the movement of the fetus towards the pelvic girdle thus the child is born headfirst.

Explanation:

  • During labor the pelvic floor facilitates movement of the fetus towards the pelvic girdle by resisting the descent of the presenting part. This makes the fetus to rotate forwards and therefore results in majority of the fetus being born headfirst.  

2. Answer;

Purple pushing lead to development of pelvic floor problems.

Explanation

;

  • Purple pushing involves the midwife instructing a woman to hold her breath for ten seconds while forcefully pushing down during a contraction.
  • in the second stage instead of waiting for the mother to feel the instant urge of pushing which lead to development of pelvic floor problems.

3. Answer;

Exercise can help to strengthen the abdominal muscles and reduce the appearance of diastasis recti.

Explanation;

  • By contracting transversal abs muscles they strengthen and pull the muscles inwards.
  • The diastasis recti reduce with time due since the rectus muscles come close to each other enabling a human being to live a normal life because flexion, bending and stability becomes easy.

4. <u>Answer</u>

  • Pelvic floor muscles
  • Stomach muscles
  • Abdominal muscles
  • Perineal muscles
  • Uterine muscles

<u>Explanation</u>

  • Abdominal muscles are stretched to their limit by term. They greatly decrease the ability to perform strong contraction.
  • Pelvic floor is vulnerable to muscular and neurological injury during labor and delivery.  
  • Perineal muscle tightening strengthens the pubococcygeus muscle and increases its tone.

5. Answer and explanation;

  • Sports that can lead to falling down e.g. skating
  • Sports that may involve altitude change
  • Exercises that involve lying flat on your back
  • Exercises that involve holding o breath
  • Motionless standing

6. Answer

Yes

Explanation

;

  • Exercise maintains physical fitness, health and wellness aiding growth to the unborn since the mother gains enough strength and energy and there is proper blood flow.
  • Many pregnant women tend to gain weight which may lead to health difficulties for example struggling to breath. The pregnant lady is able to cope with labor and she is able to get back in shape after the baby is born.

7. <u>Answer</u>;

One is supposed to get up slowly and gradually to avoid dizziness.  

<u>Explanation;</u>

  • Dizziness happens after a tiresome activity done continuously for a period of time thus one should get up slowly and gradually to avoid other injuries like falling endangering the life of the unborn child.

7 0
3 years ago
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