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One of the fundamental events that occur in meiosis is crossing over in which homologous chromosomes exchange segments causing a reshuffling of genes.

One of the fundamental events that occur in meiosis is crossing over in which homologous chromosomes exchange segments causing a reshuffling of genes. Correct Answer True

If genes are far apart on the same chromosome, it is likely that recombination occurs. Conversely, if they are very close together, they are more likely to be transmitted as a block.

Related Questions

Consider the following statements regarding the pachytene substage of prophase I during meiosis and choose the correct answer:
1. Pachytene is said to begin when synapsis is completed
2. During pachytene the chromosomes are associated in bivalents or tetrads
3. Shortening and thickening of the chromosomes takes place due to longitudinal contraction
4. Exchange of groups of genes takes place as a result of crossing over
Consider the following statements and choose the correct answer:
1. In the phenomenon of linkage and crossing over, the genes are arranged in a linear order in a chromosome
2. The linkage groups in an organism are equivalent to the number of chromosome pairs
3. The chances of crossing over are more between two closely placed genes as compared to the genes placed in far proximity
4. The position of genes is very definite in the chromatid
Consider the following statements regarding the theory of linkage and choose the correct answer:
1. Genes are arranged in a linear fashion in the chromosomes
2. Genes that show linkage are situated in the chromosome
3. Linked genes remain in their original combination during the course of inheritance
4. The genes which are widely separated show strong linkage, while those closely located, have more chances to get separated by crossing over
S1: While crossing a busy road we should obey the policeman on duty.
P: We should always cross the road at the zebra crossing.
Q: We must look to the signal lights and cross the road only when the road is clear.
R: If there are no signal lights at the crossing, we should look to the right, then to the left and again to the right before crossing the road.
S: If the road is not clear we should wait.
S6: We should never run while crossing a road.

The Proper sequence should be:
Which of the following occurs in Meiosis but not in Mitosis? Select the correct answer using the codes given below : A. independent assortment B. segregation of homologous chromosomes C. crossing over D. synapsis of homologues 
Which of the following occurs in Meiosis but not in Mitosis? Select the correct answer using the codes given below: A. independent assortment B. Segregation of homologous chromosomes C. crossing over D. synapsis of homologues
Consider the following statements regarding supernumerary chromosomes and choose the correct answer:
1. They are not homologous with any of the normal chromosomes
2. They form synapses among themselves
3. They are generally smaller than normal chromosomes
4. They are found more commonly in plants than in animals
The crossing over frequencies between the genes A and B, A and C and B and C are 8%, 15% and 23% respectively. What is the possible sequence of genes on chromosomes?
The phenomenon in which occurrence of one crossing over in chromosome interfers with the second crossing over in neighbouring segments is
Consider the following statements with regard to the functions of the centromere in the chromosome.
1. Centromeres are the centres of movement of the chromatids or chromosomes during anaphase separation.
2. Acentric chromosomes lack the capacity to segregate in a regular fashion.
3. Crosing-over in one arm of a metacentric chromosome does not affect the crossing over in the arm of the same chromosome.
Which of the statements given above are correct?