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In Mendels Experiment Why Did Wrinkles Seeds Show Up In The F2 Generation Even Though They Were Not Present In The F1 Generation?
(Apex Learning) The F1 generation carried recessive alleles.
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In Mendel's experiment why did wrinkled seeeds show up in the F2 generation even though they were not present in the F1 generation?
Because it's used to show up in only The F2 generation
What variables present in redi's experiment on spontaneous generation is not a controlled variable?
The presence of living organisms in the meat jars was not a controlled variable in Redi's experiment on spontaneous generation. This variable was dependent on the conditions set by Redi, rather than being controlled by him.
What did Pasteur's conclude from his experiment?
Louis Pasteur concluded from his experiment that spontaneous generation does not occur, and that microorganisms present in the air were responsible for the contamination of the broth. This observation led to the development of the germ theory of disease and revolutionized our understanding of infectious diseases.
Why did traits show up in the f2 generation that were not present in the f1 generation in Mendel27s experiment?
Traits that were masked in the F1 generation reappeared in the F2 generation due to Mendel's law of segregation. During gamete formation, alleles segregate randomly so that each gamete carries only one allele for each trait. When F1 hybrids are crossed, the recessive allele can be passed down and result in the expression of the trait in the F2 generation.
How did redis experiment help disolve the idea o spontanias generation?
The Redis experiment, commonly known as the swan-neck flask experiment conducted by Louis Pasteur in the 19th century, provided clear evidence against the theory of spontaneous generation. Pasteur demonstrated that microorganisms present in the air were responsible for contamination, not a spontaneous generation of life from non-living matter. By using flasks with curved necks that allowed air in but prevented dust and microorganisms from entering, he showed that no microbial growth occurred in the sterile broth, thus debunking the idea that life could arise spontaneously from non-living materials. This experiment laid the foundation for modern microbiology and the understanding of germ theory.
In Mendels experiment why did traits show up in F2 generation that were not present in the F1 generation?
All of the F1 generation are heterozygous, therefore 100% exhibit the dominant phenotype. The F2 generation has a ratio of 1 homozygous dominant: 2 heterozygous: 1 homozygous recessive. This results in a phenotypic ratio of 3 dominant: 1 recessive.
In the mendels experiment why did traits show up in the f2 generation that were not present in the f1 generation?
All of the F1 generation are heterozygous, therefore 100% exhibit the dominant phenotype. The F2 generation has a ratio of 1 homozygous dominant: 2 heterozygous: 1 homozygous recessive. This results in a phenotypic ratio of 3 dominant: 1 recessive.
In Mendel's experiment why did traits show up in the f1 generation that were not present in the f1 generation?
the traits were recessive
In Mendel's experiment why did wrinkled seeds show up in the f2 generation even though they were not present in the f1 generation.?
(Apex Learning) The F1 generation carried recessive alleles.
In Mendel's experiment, why did wrinkled seeds show up in the F2 generation, even though they were not present in the F1 generation?
(Apex Learning) The F1 generation carried recessive alleles.
In Mendel's experiment why did wrinkled seeeds show up in the F2 generation even though they were not present in the F1 generation?
Because it's used to show up in only The F2 generation
What variables present in redi's experiment on spontaneous generation is not a controlled variable?
The presence of living organisms in the meat jars was not a controlled variable in Redi's experiment on spontaneous generation. This variable was dependent on the conditions set by Redi, rather than being controlled by him.
What did Pasteur's conclude from his experiment?
Louis Pasteur concluded from his experiment that spontaneous generation does not occur, and that microorganisms present in the air were responsible for the contamination of the broth. This observation led to the development of the germ theory of disease and revolutionized our understanding of infectious diseases.
Why did redi perform a second experiment?
Redi performed a second experiment to address criticisms of his first experiment that suggested the appearance of maggots in the decaying meat may have been due to spontaneous generation from microscopic organisms present in the air. The second experiment further demonstrated that maggots only formed when flies had access to the decaying meat.
What is the present generation of computer called?
Fourth Generation
Comparison bw first generation present generation computers?
30
What was Mendel's results to his first experiment?
In Mendel's first experiment with pea plants, he crossed true-breeding plants with contrasting traits (e.g., tall and short). He found that the first generation (F1) offspring all displayed one of the traits, while the second generation (F2) showed a 3:1 ratio of the dominant to recessive trait. This led him to formulate his principles of inheritance, now known as Mendelian genetics.
