Which of the given statement is incorrect about the gene map?

Which of the given statement is incorrect about the gene map? Correct Answer Gene order is only revealed by the physical order of genes on the chromosome

Gene order is revealed not only by the physical order of genes on the chromosome but also by genetic analysis. Populations of an organism show sequence variations that are readily detected by DNA sequencing and other analysis methods. The inheritance of genetic diseases in humans and animals (e.g., cancer and heart disease), and of desirable traits in plants, can be traced genetically by pedigree analysis or genetic crosses.
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Related Questions

Which of the following statements about gene therapy are correct?
P. Affected individuals, but not their progeny, can be cured through germline gene therapy.
Q. Affected individuals, as well as their progeny, can be cured through germline gene therapy.
R. Affected individuals, but not their progeny, can be cured through somatic gene therapy.
S. Affected individuals, as well as their progeny, can be cured through somatic gene therapy.
Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer :

Statement : How is it that the village is not shown in this so-called official map of this district?

Assumptions :
I. The official district map is expected to show all the villages of that district.
II. This is not an authentic and official map.
Consider the following statements.
1. Golden rice is vitamin A rich.
2. Replacement of faulty gene by normal gene is called gene therapy.
3. Transgenic organism carrying introduced foreign gene also called genetically modified organism.
Which of the statements given above are true?
In Reverse-genetics analysis of gene function– Even though a particular gene may be _____ ortholog of a gene of known function in another organism, that gene may be acquired by a _____ function.
If the scale used for drawing a map states that the actual distance of 50 km is represented by 1 cm on the map, then according to this scale what will be the actual distance between los Angeles and Washington D.C if Washington D.C if Washington D.C is 12.22 cm away form America on the map?
The area of a rectangular field is 52000 sq. meters. This rectangular area has been drawn on a map to the scale 1 cm to 100 m. The length is shown as 3.25 cm on the map. The breadth of the rectangular field in the map is -
If the clone for a gene is obtained on the basis of its position in the gene map, then it is called as ___________
In case of two gene interaction, the gene which is masking the expression of another is called_____________ and the gene whose expression is masked is called_______________
Which of the following are commonly used as reporter genes?
P. NPTgene
Q. Luciferase gene
R. CFTR gene
S. GFP gene
Comparative genomics includes a comparison of gene number, gene content, and gene location in both prokaryotic and eukaryotic groups of organisms.