The word 'crossing over' is given by

  • A

    Bateson

  • B

    Darlington

  • C

    Morgan

  • D

    Muller

Similar Questions

Mendel observed that some characters did not assort independently. Later researchers found it to be due to

Given below are two statements : one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.

Assertion $(A)$:

Mendel's law of Independent assortment does not hold good for the genes that are located closely on the same chromosome.

Reason $(R):$

Closely located genes assort independently.

In the light of the above statements, choose the correct answer from the options given below:

  • [NEET 2022]

The linkage map of $X$-chromosome of fruit fly has $66$ units with yellow body gene $(y)$ at one end and bobbed hair $(b)$ gene at the other end. The recombination frequency between these two genes ($y$ and $b$) should be

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Alleles of different genes that are on the same chromosome may occasionally be separated by a phenomenon known as

The experiment shown in the given figure has been carried out by Morgan to show the phenomenon of linkage and recombination. If in cross $I$, genes are tightly linked and in cross $II$, genes are loosely linked then what will be the percentage of recombinants produced in cross $I$ and cross $II$ respectively?

  • [AIIMS 2016]