What was the key development of the chromosome theory of inheritance quizlet?
When Gregor Mendel first presented his principles of segregation and independent assortment, no one recognized his work’s significance. Almost 40 years later, Walter Sutton observed grasshopper cells undergoing meiosis and formulated the chromosomal theory of inheritance.
Who is responsible for the theory of inheritance?
Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of parental genes and their appearance in the offspring as dominant or recessive traits.
How did Morgan establish the chromosome theory of inheritance?
By painstakingly examining thousands upon thousands of flies with a microscope and a magnifying glass, Morgan and his colleagues confirmed the chromosomal theory of inheritance: that genes are located on chromosomes like beads on a string, and that some genes are linked (meaning they are on the same chromosome and …
Which best describes the chromosomal theory of inheritance?
The theory was proposed by Boveri-Sutton. … It describes linkage, recombination, and crossing. over and states that Mendelian genes have specific loci on chromosomes, which undergo segregation and independent assortment.
Who developed the chromosome theory of inheritance answers?
(a) Walter Sutton and (b) Theodor Boveri are credited with developing the Chromosomal Theory of Inheritance, which states that chromosomes carry the unit of heredity (genes).
Who proposed the chromosome theory of inheritance list the main points of this theory?
Two scientists Walter Sutton & Theodore Boveri (Sutton and Boveri) independently proposed the theory of chromosomal inheritance stating that inherited traits are controlled by genes on the chromosomes or they are the vehicles of heredity.
What is Morgan experiment?
Morgan. In this experiment, Morgan looks at the characteristic of eye colour in a fly, the fruit fly. … Morgan deduced that the gene for eye colour is carried by the sex chromosomes in the drosophila and, more particularily, by the X chromosome.