Gregor Mendel's Life Essay

Mendel studied pea plants and how they passed along their genes. Plants that bore green peas that bred with other plants that had green peas had green offspring. Mendel would occasionally breed the green pea plants with plants that had yellow pea plants. The pea plants would only inherit one gene from one parent. If a plant produced more offspring, the chance for a green pea plant increased but most of the offspring would be yellow. This means that even though the dominant trait is more noticeable, the recessive trait was still contained inside the offspring. Evolution can occur based on the distribution of genes in a species population. "From what we know of the genetic nature of inheritance, it is also clear that evolutionary processes must entail changes in the genetic composition of populations" (Boyd and Silk

The “Brassica rapa” is a fast plant known as the field mustard. This plant is well known for its rapid growing rate, which makes it an easy breeding cycle and easy to pollinate. In giving so this makes “Brassica rapa” a great participant for testing Gregor Mendel’s theories of inheritance. The “Brassica rapa” acts like a test subject in testing cross-pollination giving the understanding to the dominant allele of colored stems. There are different colors that are visible on the stem that are above the soil; the colors vary from green to purple. P1 seed was ordered, germinated and cross-pollinated until germination of the next off spring of plants were also done. It was

In 1868 Mendel was promoted to abbot at the monastery and gave up his experiments.

The motivation of this lab report is to use Mendel’s Laws of Inheritance to analyze and predict the genotypes and phenotypes of an offspring generation (F2) after knowing the genotypes and phenotypes of the parent generation (F1). The hypothesis for this experiment is that the mode of inheritance for the shaven bristle allele in flies is autosomal recessive in both male and female flies.

Do genes A and C follow Mendel’s principles of inheritance? Why or why not? Explain fully.

As “the father of modern genetics”, Mendel made a huge impact on science by discovering the basic laws of heredity, with dominant and recessive traits. Through these discoveries he inspired many scientists to jump onto genetics and try to replicate his experiment to confirm his results.

Gregor Mendel was born on July 22 1822, in a rural part of what is now known as Czech Republic. His parents sent his away at the age of 11, to study, at the urging of the local priest. (Olby, 2016). His time away from home was difficult, as his family did not have the means to support him. To help his financial position, he began to tutor other students, but still had a serious case of depression, and needed to go back home 2 times to better his condition. (Olby, 2016) After several years of study, he entered the Altbrünn monastery. Here, he did not have to worry about making ends meet, and was able to interact with like-minded people. However, he went through another bout of depression, as the task of visiting the ill became too unbearable

Mendel found out that some traits can be passed down. He did this by cross breeding two pea plants. By figuring out which plant past down, which traits were passed down the line a number of times, he was able to figure out which traits are dominant and which are recessive. Dominant traits are traits that over rule recessive traits. For a recessive traits to show there needs to be two recessive genes, a dominant trait just needs one. He did this by cross breeding the plants. One plant had purple flowers. The other had white flowers. When the seeds of the two plants grew, he found that the seeds were all purple flower. When he crossed breed the new pea plants 1 of 4 plants had white flowers. However the recessive genes

Around 1854, Mendel began to research the transmission of hereditary traits in plant hybrids. At the time of Mendel’s studies, it was usually accepted fact that the hereditary traits of the offspring of any species were only the diluted mixing traits that were present in the ‘’parents.’’ It was regularly accepted that, over generations, a hybrid would revert to its original form, the conclusion of which suggested that a hybrid cannot create a new forms.

The main purpose for this conducting this experiment was to further knowledge on Mendelian Genetics and how traits are inherited from generation to generation. Something that we attempted to solve was which traits were considered dominant and which were considered to be recessive. Drosophila melanogaster also known as fruit flies were used in this experiment, Dihybrid crosses were done to gather information on how characteristics are linked from generation to generation. Our crosses consisted of female wild type with male sepia eye/ ebony body and female ebony with male vestigial. It is shown that some inheritance patterns are due to unlinked genes and linked genes.

Gregor Mendel is known as the father of modern genetics because of the research and experiments he did by breeding pea plants and examining their physical appearances. He studied the plants seed color and shape, pod color and shape, and flower color and position. Mendel collected the seeds from pods produced after fertilizing two parent pea plants and then grew those seeds into new plants and observed how the offspring resembled or differed from the parents. After all of his experimentation, Mendel was able to conclude 3 principles. The principle of segregation, which meant that each organism has two alleles for each gene, one from each parent that separate

In 1900, a group of botanist replicated Mendel’s findings to only discover later that Mendel had published the same findings almost 30 years earlier. A lot of question arose on how well Mendel’s results could fit in the theories of evolution

Furthermore, he uses Muller’s experiments on plants to show that inheritance and the laws of reproduction had a greater effect on the outcome of an individual than environmental conditions. Although the plants used in the experiment all had

Mendelian genetics was developed initially by Mendel. Through his pea plants experiments. he developed 3 principles of inheritance: the first being inheritance involves the passing of discrete units of inheritance, or genes, from parents to offspring, Second, during reproduction, the inherited factors (now called alleles) that determine traits are separated into reproductive cells by a process called meiosis and randomly reunite during fertilization. And third, genes located on different chromosomes will be inherited independently of each other. There are also neo-Darwinists. Evolutionists and neo-Darwinists think very similarly, except for one thing: neo-Darwinists believe that for macroevolution to occur there would have to be added information to the genetic code. They think that this can happen by mutation.

He reasoned that there were certain rules by which these characteristics were inherited. He guessed that each plant must possess some sort of unit that specified its characteristics. In fact, each must have two units, one from each parent plant. If the plant inherited two different units, then one would override the other. This was called the dominant unit, and the one that was overridden was called the recessive unit. Mendel's theories were not discovered till 1900, and it began the science called genetics , the study of a physical inheritance. From this name, Mendel's units were changed into genes.