Search
- https://bio.libretexts.org/Courses/Los_Angeles_Harbor_College/Biology_3_Lecture_(Escandon)/08%3A_Patterns_of_Inheritance/8.01%3A_Mendels_ExperimentsMendel’s experiments extended beyond the F 2 generation to the F 3 generation, F 4 generation, and so on, but it was the ratio of characteristics in the P, F 1 , and F 2 generations that were the most...Mendel’s experiments extended beyond the F 2 generation to the F 3 generation, F 4 generation, and so on, but it was the ratio of characteristics in the P, F 1 , and F 2 generations that were the most intriguing and became the basis of Mendel’s postulates. The fact that the recessive trait reappeared in the F 2 generation meant that the traits remained separate (and were not blended) in the plants of the F 1 generation.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_2e_(OpenStax)/03%3A_Unit_III-_Genetics/3.02%3A_Mendel's_Experiments_and_Heredity/3.2.02%3A_Mendels_Experiments_and_the_Laws_of_ProbabilityIn 1865, Mendel presented the results of his experiments with nearly 30,000 pea plants to the local Natural History Society. He demonstrated that traits are transmitted faithfully from parents to offs...In 1865, Mendel presented the results of his experiments with nearly 30,000 pea plants to the local Natural History Society. He demonstrated that traits are transmitted faithfully from parents to offspring independently of other traits and in dominant and recessive patterns.
- https://bio.libretexts.org/Courses/Gettysburg_College/01%3A_Ecology_for_All/06%3A_The_Evolution_of_Populations_and_Species/6.03%3A_The_Hardy-Weinberg_EquilibriumThe Hardy-Weinberg law argues that the gene frequencies and genotype ratios in a randomly-breeding population remain constant from generation to generation. Evolution involves changes in the gene poo...The Hardy-Weinberg law argues that the gene frequencies and genotype ratios in a randomly-breeding population remain constant from generation to generation. Evolution involves changes in the gene pool, while a population in Hardy-Weinberg equilibrium shows no change. Hence, populations are able to maintain a reservoir of variability so that if future conditions require it, the gene pool can change.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/07%3A_Cell_Division/7.04%3A_PolyploidyThis page discusses polyploidy, the condition of having more than two sets of chromosomes, mainly observed in plants like wheat and sugar cane. It can occur naturally through errors in gamete formatio...This page discusses polyploidy, the condition of having more than two sets of chromosomes, mainly observed in plants like wheat and sugar cane. It can occur naturally through errors in gamete formation or be induced artificially. Polyploidy can lead to speciation, with hybrids often sterile while polyploid plants remain fertile. Although rare in animals, some instances, such as a tetraploid rat, have been recorded.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Concepts_in_Biology_(OpenStax)/08%3A_Patterns_of_Inheritance/8.01%3A_Mendels_ExperimentsMendel’s experiments extended beyond the F 2 generation to the F 3 generation, F 4 generation, and so on, but it was the ratio of characteristics in the P, F 1 , and F 2 generations that were the most...Mendel’s experiments extended beyond the F 2 generation to the F 3 generation, F 4 generation, and so on, but it was the ratio of characteristics in the P, F 1 , and F 2 generations that were the most intriguing and became the basis of Mendel’s postulates. The fact that the recessive trait reappeared in the F 2 generation meant that the traits remained separate (and were not blended) in the plants of the F 1 generation.
- https://bio.libretexts.org/Courses/Gettysburg_College/01%3A_Ecology_for_All/06%3A_The_Evolution_of_Populations_and_Species/6.05%3A_Formation_of_New_SpeciesAlthough all life on earth shares various genetic similarities, only certain organisms combine genetic information by sexual reproduction and have offspring that can then successfully reproduce. Scien...Although all life on earth shares various genetic similarities, only certain organisms combine genetic information by sexual reproduction and have offspring that can then successfully reproduce. Scientists call such organisms members of the same biological species.
- https://bio.libretexts.org/Courses/Clackamas_Community_College/Clackamas_Biology_112_OER_Textbook_(OpenStax)/07%3A_Patterns_of_Inheritance/7.01%3A_Mendels_ExperimentsMendel’s experiments extended beyond the F 2 generation to the F 3 generation, F 4 generation, and so on, but it was the ratio of characteristics in the P, F 1 , and F 2 generations that were the most...Mendel’s experiments extended beyond the F 2 generation to the F 3 generation, F 4 generation, and so on, but it was the ratio of characteristics in the P, F 1 , and F 2 generations that were the most intriguing and became the basis of Mendel’s postulates. The fact that the recessive trait reappeared in the F 2 generation meant that the traits remained separate (and were not blended) in the plants of the F 1 generation.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_1e_(OpenStax)/3%3A_Genetics/12%3A_Mendel's_Experiments_and_Heredity/12.1%3A_Mendels_Experiments_and_the_Laws_of_ProbabilityIn 1865, Mendel presented the results of his experiments with nearly 30,000 pea plants to the local Natural History Society. He demonstrated that traits are transmitted faithfully from parents to offs...In 1865, Mendel presented the results of his experiments with nearly 30,000 pea plants to the local Natural History Society. He demonstrated that traits are transmitted faithfully from parents to offspring independently of other traits and in dominant and recessive patterns.
- https://bio.libretexts.org/Workbench/General_Biology_I_and_II/03%3A_Unit_III-_Genetics/3.02%3A_Mendel's_Experiments_and_Heredity/3.2.02%3A_Mendels_Experiments_and_the_Laws_of_ProbabilityIn 1865, Mendel presented the results of his experiments with nearly 30,000 pea plants to the local Natural History Society. He demonstrated that traits are transmitted faithfully from parents to offs...In 1865, Mendel presented the results of his experiments with nearly 30,000 pea plants to the local Natural History Society. He demonstrated that traits are transmitted faithfully from parents to offspring independently of other traits and in dominant and recessive patterns.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/18%3A_Evolution/18.02%3A_SpeciationThis page explores the definition of species as interbreeding populations and the processes of speciation, including geographical isolation and adaptive radiation, exemplified by Darwin's finches. It ...This page explores the definition of species as interbreeding populations and the processes of speciation, including geographical isolation and adaptive radiation, exemplified by Darwin's finches. It discusses hybridization and various speciation types, such as allopatric and sympatric, with examples from plants and animals.
- https://bio.libretexts.org/Courses/City_College_of_San_Francisco/Introduction_to_Genetics/04%3A_Mendelian_Genetics/4.03%3A_Mendels_ExperimentsThis page covers the basics of Mendelian genetics, highlighting Mendel's pea experiments that illustrate inheritance laws. Key topics include monohybrid crosses, true-breeding plants, generation label...This page covers the basics of Mendelian genetics, highlighting Mendel's pea experiments that illustrate inheritance laws. Key topics include monohybrid crosses, true-breeding plants, generation labels (P, F1, F2), trait ratios, and genetic postulates. It also discusses constructing pedigree trees for genetic disease analysis and emphasizes Mendel's hybridization methods and relevant terminology.
