What are the theories that explain the chromosomal basis of inheritance?

Key points: Boveri and Sutton’s chromosome theory of inheritance states that genes are found at specific locations on chromosomes, and that the behavior of chromosomes during meiosis can explain Mendel’s laws of inheritance.

What is the chromosome theory of inheritance explain?

The Chromosomal Theory of inheritance, proposed by Sutton and Boveri, states that chromosomes are the vehicles of genetic heredity. Neither Mendelian genetics nor gene linkage is perfectly accurate; instead, chromosome behavior involves segregation, independent assortment, and occasionally, linkage.

Which of the theories does not explain the chromosomal basis of inheritance?

Which of the following theories does NOT explain the chromosomal basis of inheritance? … Mendel’s laws of inheritance do not relate to the behavior of chromosomes in. meiosis.

What is chromosomal theory of inheritance give one example also?

Gametic chromosomes combine during fertilization to produce offspring with the same chromosome number as their parents. Eye color in fruit flies was the first X-linked trait to be discovered; thus, Morgan’s experiments with fruit flies solidified the Chromosomal Theory of Inheritance.

What is the role of chromosomes in inheritance?

Chromosomes are the carriers of genetic information. … Also, the condensed structure makes it easier for complete genetic data to be transferred from the parent cell to daughter cells in good condition or without loss.

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What is the difference between tightly linked and loosely linked pair of genes?

Genes that are present on the same chromosome and are tightly linked shows very few recombinations as they are linked genes. Whereas genes that are not close to each other or which are loosely linked shows a higher degree of recombination between them.

What is the chromosomal basis of inheritance quizlet?

The chromosomal basis of inheritance is the idea that genes are located on chromosomes as well as the idea that the behavior of chromosomes during Meiosis accounts for Mendel’s Laws of Segregation and Independent Assortment.

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