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What did Thomas Hunt Morgan discover about the chromosome?
Who was Thomas Hunt Morgan?
Thomas Hunt Morgan (September 25, 1866 – December 4, 1945) was an American evolutionary biologist, geneticist, embryologist, and science author who won the Nobel Prize in Physiology or Medicine in 1933 for discoveries elucidating the role that the chromosome plays in heredity.
- September 25, 1866, Lexington, Kentucky, US
- December 4, 1945 (aged 79), Pasadena, California, US
About. Transcript. Thomas Hunt Morgan's groundbreaking work with fruit flies in the early 1900s provided substantial evidence for the chromosome theory of inheritance. Morgan discovered a mutant white-eyed male fly and traced its inheritance pattern, revealing a connection between the X sex chromosome and the gene for eye color.
- 11 min
- Sal Khan
- why is this sex linked trait found on the x chromosome and not the y? if all the guy flies have it, ...This is a little bit of a confusing topic, so I hope I can help! First we need to remember that males are XY (X from mom, Y from dad) and females a...
- Is it possible for there to be a white-eyed female in later generations? It seems possible when a wh...Yup! It's possible, but very unlikely as the female fly has to inherit Xw, the white eye allele, from BOTH parents, whereas for male flies, they on...
- How did Thomas Hunt Morgan identify each fruit fly? How could he tell that they were male or female,...He used a microscope to inspect his fruit flies in the early 1900's. Microscopes were invented in the 1600's. Giambattista Odierna originally descr...
- Are y linked chromosomes possible? If so, that would mean that only the males are affected right?Do you mean Y-linked phenotypes? These are uncommon§ due to the small size of the Y chromosome, but do exist. For example, there is a strain of lab...
- What happens when a white-eyed male is crossed with a heterozygous red-eyed female carring an allele...Offspring: XwXw+, XwXw, Xw+Y, XwY 25% red-eyed female, 25% white eyed female, 25% red-eyed male, 25% white eyed male.
- I have heard of sex linked dominant traits affecting the females but not the males. I would think th...It would help if you could give an example of a trait you heard. But such expression profiles are possible. Certain genes responsible for hairiness...
- From F2 generation,If we cross Xw+ Xw female and Xw Y male, we can get Xw Xw female i.e white colour...it is possible
- I'm sorry for my ignorance of scientific experiment related knowledge for asking this silly question...Fruit flies are easy to anesthetize typically by filling the container with CO2.
- What if a white eyed male bred with a heterozygous female? Wounder that not be this, Xw+ Xw Xw Y Equ...I'm pretty sure that's what would happen because the way it seems is that the Xw allele is similar to that for color blindness. So an Xw-Xw female...
- Why is Xw+Y allelic pair not considered as hemizygous but as heterozygous?The white allele in an Xᵂ Y (male) fly is hemizygous, where did you hear otherwise?
Morgan received the Nobel Prize for Physiology or Medicine in 1933 for his cumulative research contributions to the field of genetics. He remained at Caltech until his death, performing administrative duties and pursuing investigations of inheritance in Drosophila, mammals, birds, and amphibians.
He was broadly based in the biological sciences and had gained fame through a study of the genetic properties of the fruit fly with great emphasis on the details linking phenotype to the variance in chromosomal structure.
Apr 24, 2018 · The paper analyzes the early theory building process of Thomas Hunt Morgan (1866–1945) from the 1910s to the 1930s and the introduction of the invisible gene as a main explanatory unit of heredity. Morgan’s work marks the transition between two different styles of thought.
- Giulia Frezza, Mauro Capocci
- 2018
Jun 1, 2001 · Thomas Hunt Morgan's acceptance, in 1910, of the chromosome as the carrier of heritable traits has been hailed as one of the most important scientific discoveries of the twentieth century 1.
views 1,826,948 updated. Thomas Hunt Morgan. 1866-1945. American zoologist and geneticist who is best known for his genetics research on the fruit fly ( Drosophila ), which established the chromosome theory of heredity. Morgan's work demonstrated that genes are linked in a linear sequence on the chromosomes.
