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zvonat [6]
3 years ago
15

Why is it important that only one viable egg cell is produced during meiosis in females?

Biology
1 answer:
alex41 [277]3 years ago
5 0
Idk I’m sorry I just needed to answer a question
You might be interested in
Describe an important difference between an artificial ecosystem and a natural ecosystem​
Mademuasel [1]

Answer:

A natural ecosystem has a diverse amount of species and plants, whereas artificial ecosystems are limited.

Explanation:

Natural ecosystems are self-sustaining and result from spontaneous natural reaction, while artificial ecosystems require the assistance of humans.

3 0
4 years ago
In garden peas, long stems are dominant to short stems, and yellow seeds are dominants to green seeds, too long/yellow pea plant
Lera25 [3.4K]

Answer:

A) 300

B) 3:1

C) 9 long yellow : 3 long green : 3 short yellow : 1 short green

Explanation:

Long stems (L_) are dominant to short stems (ll)

Yellow seeds (Y_) are dominant to green seeds (yy)

We interbred pea plants with long stems and yellow seeds (L_Y_), but they had a short green parent (llyy) that could have only produced <em>ly</em> gametes, so our plants are heterozygous <em>LlYy</em>.

C) We interbred them LlYy x LlYy. If the two genes are unlinked, this is a typical dihybrid cross and from Mendel's law of independent assortment we know that the offspring will have the following phenotypic ratios:

  • 9/16 L_Y_ (Long, yellow)
  • 3/16 L_yy (Long, green)
  • 3/16 llY_ (short, yellow)
  • 1/16 llyy (short, green)

A) 3/16 × 1600 = 300 plants will be long and green.

B)

9/16 + 3/16 = 12/16= 3/4 plants will be yellow;

3/16 + 1/16 = 4/16= 1/4 plants will be green.

The ratio will be 3 yellow : 1 green

6 0
4 years ago
Mountaintop removal maintains the mountain peaks while mining for coal.
murzikaleks [220]

Nothing to choose from

The correct answer is False or No.

7 0
3 years ago
Why is DNA fingerprinting more conclusive when proving a person’s innocence rather than their guilt?
Likurg_2 [28]
DNA fingerprinting is far more conclusive because it is solid proof. It has evidence that a certain person was at a certain place at a particular time frame. Although most criminals do get asked to use the polygraph test, testing guilt I guess, measures only their heart rate. Which in a normal view many regular people would be nervous. There has been countless reports where murders can pass a polygraph test, but then be convicted of a crime due to proof of evidence from fingerprints. Humans are emotional beings, some can crack easily while some won't (through interrogation). So that's why it's key investigations use science to back up their crimes rather that try to measure someone's guilt.

I hope this answered your question!
6 0
3 years ago
Read 2 more answers
You are about to give your first speech in front of your speech class and are nervous about getting up in front of everyone. As
Marat540 [252]

Answer:

Sympathetic division is responsible for the nervousness, pounding in the chest and the butterfly movement in the stomach while parasympathetic division overest a and digest the nervousness.

Explanation:

The nervousness experienced when someone is about to speak in front of a class is caused by the sympathetic system which have divergent effects as many different effector organs are activated together for that same purpose. I.e More oxygen are inhaled and delivered to skeletal muscle. The respiratory, cardiovascular, and musculoskeletal systems are all activated at the same time causing an unstable reaction to the central nervous system...

On the other hand, the parasymthetic division causes the central nervous system to rest and digest at a very slow rate..

At a point in time the central nervous system triggered an Homeostasis action which posses a balance between the two divisions.I.e symthetic and parasymthetic and then brings about a balance to the body reaction at that same point.

5 0
3 years ago
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