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Ivenika [448]
3 years ago
12

Cuales son las observaciones basicas que inspira la teoria del ancestro en comun

Biology
1 answer:
goldenfox [79]3 years ago
4 0
Can somebody translate it to English please
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What is the typical F2 ratio in the case of dominant epistasis?
inysia [295]

Answer:

12:3:1

Explanation:

<em>The typical F2 ratio in cases of dominant epistasis is 12:3:1.</em>

<u>The epistasis is a form of gene interaction in which an allele in one locus interacts with and modifies the effects of alleles in another locus</u>. There are different types of epistasis depending on the type of alleles that are interacting. These include:

  • Dominant/simple epistasis: Here, a dominant allele on one locus suppresses the expression of both alleles on another locus irrespective of whether they are dominant or recessive. Instead of the Mendelian dihybrid F2 ratio of 9:3:3:1, what is obtained is 12:3:1. Examples of this type of gene interaction are found in seed coat color in barley, skin color in mice, etc.
  • Other types of epistasis include <em>recessive epistasis (9:3:4), dominant inhibitory epistasis (13:3), duplicate recessive epistasis (9:7), duplicate dominant epistasis (15:1), and polymeric gene interaction (9:6:1).</em>
5 0
3 years ago
Disturbance destroying an area through the climax of ecological succession
kotykmax [81]

Answer:

hope this helps

secondary succession

Explanation:

Large, low intensity disturbances, such as plowing in conventional agriculture, result in moderate amounts of succession, where species can survive in the soil and quickly recolonize areas after a disturbance. This type of succession is often called secondary succession

4 0
3 years ago
Meteorologists want to design a system of instruments that will evaluate ocean currents, air temperatures, and wind speed in ord
mezya [45]

Hey! The answer is: Collect data using a prototype.

I have a screenshot attached as well.

I hope this helps you!

Good luck! :)

6 0
3 years ago
Spongy tissue is best described as dense smooth and homogenous<br> True or false
jekas [21]
False, it’s compact
5 0
3 years ago
Which characteristic is most important in determining whether a hypothesis will be incorporated into a theory?
ankoles [38]
It overwhelming supported by greater scientific community, and if no experiments have proven it wrong 
8 0
3 years ago
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