Gregor Mendel

How did mendel explain the reappearance of shortness in the f2 generation?

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2011-02-28 01:13:04
2011-02-28 01:13:04

By the ratio of 3 tall;1 short

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taken from a science textbook- Scientists today call these parent plants the parental generation, or P generation. The offspring from this cross are the first filial generation or the F1 generation. The word filial comes from filila and flilius, the Latin words for daughter and son. When the plants in the F1 generation were full-grown, Mendel allowed them to self-pollinate. Surprisingly, the plants in the F2 gneration were a mix of tall AND short plants. The shortness trait had reappeared even though none of the F2 parent plants were short. Mendel counted the tall and short plants. About three fourths of the plants were tall, while one fourths were short.




Mendel called the offspring of the P generation the first filial generation, or F1 generation





In a typical Mendel experiment, Mendel took two purebreeding lines (the parental generation) and crossed them to produce the 1st filial generation and sometimes would self cross these to produce the 2nd filial generation.


Mendel called the first two individuals that mate in a genetic cross the P generation.The P generation


Mendel found that every fourth plant had white flowers when he allowed the first generation to self-pollinate. Gregor Mendel was a scientist who lived from 1822 to 1884.hyuyt6yt8


Mendel did not control them. He simply predicted what characteristics the offspring would inherit.


Crossed his F1 generation in self ferilization. F1 X F1


The first generation of of pea plants that Mendel bred were tall.


That should be "Mendel". The first generation means the children; the second generation means the grandchildren.


Gregor Mendel was the first person to trace one trait through many generations , he was also the first person to record the study of how traits pass from one generation to another , another thing he did was use the mathematics of probability to explain heredity .


Inheritance, segregation, and independent assortment. He used pea plants in his experiment, this was generally genes and punnet squares and how they worked.


He found that all of the plant in the F1 Generation show the dominant trait (tall).


He bred the F1 generation with itself


He bred the F1 generation with itself.



Mendel by working on garden pea (pisum sativum) concluded that traits are inherited or transfer from one generation to other.


When Mendel crossed purebred tall-stemmed plants the first generationoffspring all had tall stems



Gregor Mendel didn't really use any technology. He basically observed the pea plants traits generation after generation, and the outcome of the same experiment repeated.


Mendel observed the recessive trait in the f2 generation, and figured out that it must still be present in the f1 generation, even though it wasn't shown.



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