ipl-logo

Gregor Mendel's Alleles: Garden Pea Plants

919 Words4 Pages

Gregor Mendel was born in 1822. He was an Augustinian monk and is known as the father of genetics, who carried out numerous crosses in the mid 1800s. He worked mainly on garden pea plants where his works led into two laws. Mendel’s law of segregation, also his first law states that,
• Inherited characteristics are controlled by pairs of factors now known as alleles
• These factors segregate at gamete formation so that only one factor is carried in each gamete.
Mendel predicted that alleles which are different forms of the same gene occurred in pairs which meant cells were diploid and some process now known to be meiosis resulted in the number of alleles being halved. When two flowers of different colours, are crossed they produce one colour …show more content…

The easiest way to explain how to develop an F1 hybrid is to take a plant with a good habit but a poor flower colour and another plant of the same type which has a poor habit but a good flower colour. These are then pollinated in isolation year after year until such time the same identical plants appear. This is then known as the pure line. If the breeder now takes the pure line of each of the two original plants and cross pollinates them by hand, the result is known as an F2 hybrid. Plants are grown from the seed produced and the result of this pollination should have the combined traits of two parents.
Conventional plan breeding has a huge impact on agricultural productivity and is still a very important tool, but it has its limitations. Breeding can only be done by two plants that can sexually mate with each other. This limits the new traits that can be introduced and any undesirable traits can also be transferred across with the good traits. The benefits of the F1 seed are there is more uniformity of colour, a better yield and size but while the plant breeders control the inbred lines this would leave the seeds more …show more content…

They have an absence of a membrane-enclosed nucleus therefore they are prokaryotes. They are normally small single celled and usually reproduce asexually and under ideal conditions can reproduce every twenty minute. They are classified according to their shape, rod, round, and spiral shaped. Bacteria may be autotrophic meaning that it can make its own food. Heterotrophic means it takes in food and this can be split into saprophytes which take its food from dead sources, and parasitic which takes its food from a living host. Good bacteria can make food such as purple sulphur bacteria while bad bacteria can cause typhoid and

Show More
Related
910 Words | 4 Pages

DNA from the actual parents - Use these chromosomes to make a baby for the DNA profile. Sample D D 248 BP___TPOX #2 Pater. Chromo D 145 BP_D5

Read More
449 Words | 2 Pages

in this experiment we want to see If using different beans for reproduction other then the mug bean, then they will produce less offspring. By using sertain method of division, replication, and messureing. Division alows us to seprate the different beans in to catagories, plates, and labeling for orginaztion. The method of messuring, after deviding the rest of beans in the plates, we measured the weight of each plate of the mug, black, and coffee beans. replicatin alow them to easly find there mate and replicate easier by using oppisite genders in each mug, black, and coffee beans plate.

Read More
225 Words | 1 Pages

In “An Indian Father’s Plea” by Robert G. Lake-Thom, Lake-Thom uses transitions to help connect his ideas and create a well written essay. In the twelfth paragraph the author discusses the knowledge that his son possessed before he began going to the school he is currently attending. Since Lake-Thom is listing the knowledge his son possessed before starting at that school he uses the transitional expression “and” frequently in this paragraph. Lake-Thom also repeatedly uses the transitional expression “but” when he says that while his son may not be able to do something that other non-Indian children his age can do such as writing their names he has knowledge of other things that those children don’t have. He also begins multiple sentences with

Read More
178 Words | 1 Pages

Gregor Mendel was the one who created the basic principles of heredity through experiments with his pea plants. Mendel carried out his work with ordinary garden peas, partly because peas are small and

Read More
1668 Words | 7 Pages

1 )artificial selection in current world? Answer : Artificial selection is the process of changing the characteristics of animals by artificial means. It was originally defined by Charles Darwin in contrast to the process of natural selection, in which the differential reproduction of organisms with certain traits is attributed to improved survival and reproductive ability in the natural habitat of the organism. For example, animal breeders are often able to change the characteristics of domestic animals by selecting for reproduction those individuals with the most desirable qualities such as speed in racehorses, milk production in cows, trail scenting in dogs.

Read More
625 Words | 3 Pages

In the middle of the 19th century, Gregor Mendel was an uneducated monk living at a monastery in the Czech Republic. Throughout his life he was never given the chance to become educated or wealthy. No one thought that he would ever amount to much more than a simple plebian. But alas, Mendel proved society wrong by discovering and documenting genetics and genes. Similarly, the author of the preceding passage endeavors to provide an argument that he is not insane but instead was placed in a circumstance of horror.

Read More
631 Words | 3 Pages

Often people will find that human existence is controlled by DNA. It has a major effect on society because people will not stop believing that the differences between us whether it’s ability, mental or physical health are coded in our genes. Even if humans were completely different from one another, that alone would not prove that society gives power to people who are different. With the goal to make the biology as ideology determinism complete, a theory of unchangeable human nature seems appropriate, coded in our genes we can find human nature.

Read More
442 Words | 2 Pages

When Punnett was an undergraduate, Gregor Mendel's inheritance was overly unknown and unappreciated to people. But in 1900, Mendel's work was rediscovered, by a man name William Bateson. William ended becoming an advocate of Mendelian genetics. Reginald Punnett and William Bateson helped initiate the new science of genetics at Cambridge. They also rediscovered genetic linkage through experiments with chicken and pea plants.

Read More
1325 Words | 6 Pages

As Maya Angelou once said “In diversity there is beauty and there is strength.” Though diversity exists in the world today, that could diminish due to the downfalls caused by human cloning. There may be controversy surrounding human cloning, but the consequences will desolate society if the issues with it are not addressed. In Frankenstein, by Mary Shelley, a scientist obsessed with life animates a creature who becomes evil from society treatment. Moreover, in “The Birthmark,” by Nathaniel Hawthorne, a newly married scientist becomes obsessed with a hand shaped birthmark on his wife’s cheek, which leads him to attempt to remove it but to no avail, as he ends up killing her.

Read More
536 Words | 3 Pages

In this paper I have explained Kass’s arguments related to four areas of concern regarding genetic

Read More
2754 Words | 12 Pages

Plant breeders are companies like Pioneer Hi breed and its competitors, all the required research and development is carried out in their laboratories and controlled agricultural lands. And after completing the required cross breeding, the hybrid/genetically modified parent seed is passed on to the seed growers. Seed growers: The parent seed from the company is provided to the seed growers, who are contracted by the company to cultivate the parent seed under conditions specified by the experts of the plant breeding company. The seed growers are selected on the basis of the fertility of the soil, climatic conditions of the region and the surrounding lands.

Read More
116 Words | 1 Pages

In a Punnett Square he called the white traits recessive and the purple traits dominant. Gregor Mendel is known as the “father of modern genetics.” He died of kidney disease at the age of 61.

Read More
966 Words | 4 Pages

Each type of seed was designed by bioengineers, who in a way “Copy and Pasted” the desired genes and traits, which is why they cost more. For example, they can alter the DNA of a plant to increase the rate of fruit production. Another way that they increase the production is to change the DNA to allow the plants to grow close to each other, which would would produce more from the same amount of land. Ian

Read More
767 Words | 4 Pages

Summary - Mendel and Human Genetics Mendel 's laws of genetic inheritance initiated an era of genetics which feeds on the complete functional information of each and every ' 'modern ' ' gene of the organisms. Mendel 's studies; instead of being able to reach human genetics directly through his observations, eventually made it 's way to human genetics through the basic rules of genetics that Mendel deduced while working on Pisum sativum. With the advancement of technology and uprising of brilliant minds, the chromosome had its shape defined, along with its behavior deduced during cell division and gametogenesis. All these observations and a formulation for heredity by Weismann led to a need of laws by which characters transfers from parent

Read More
1251 Words | 6 Pages

Bacteria that causes disease are called pathogens. The disease is caused by a poison called exotoxin and endotoxin produced by the bacteria. Another microbial life are protist. They are unicellular eukaryotes. Types of protist includes protozoans and slime molds.

Read More

More about Gregor Mendel's Alleles: Garden Pea Plants

Related Topics

Open Document