In order to calculate map distance of genes on a chromosome, one must know the

English

Gujarati

Hindi

4.Principles of Inheritance and Variation

medium

In order to calculate map distance of genes on a chromosome, one must know the

A

Number of mutant genes

B

Recombination frequency of each gene locus

C

Cross over percentage

D

Non-cross over percentage

Solution

(c)The percentage of crossing over is the expression of the number of recombinations in percentage to the total number of offspring.

Standard 12

Biology

Share

Similar Questions

Two genes $R$ and $Y$ are located very close on the chromosomal linkage map of maize plant. When $RRYY$ and $rryy$ genotypes are hybridized, then $F_{2}$-segregation wii show

medium

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:

medium

(NEET-2022)

The word 'crossing over' is given by

medium

Which of the following statements is not trueof two genes that show $50\%$ recombination frequency ?

medium

(NEET-2013)

Describe linkage and recombination in detail.

medium