Question:
Which is the most important factor for continuity of a species from evolutionary point of view?
Which is the most important factor for continuity of a species from evolutionary point of view?
Updated On: Mar 26, 2024
- replication of genetic material
- formation of gametes
- synthesis of proteins
- none of these.
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Approach Solution - 1
Replication of genetic material is the most important factor for continuity of a species from evolutionary point of view. When genetic material replicates, only then it could be transferred from one generation to next resulting in continuity of a species. Asexual animals do not produce gametes while sexual animals do. So, formation of gametes is not an important factor in asexual animals though replication of genetic material takes place in both asexual as well as sexual animals. Synthesis of proteins does not play any role in continuity of species.
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From an evolutionary perspective, genetic material replication is the most crucial component for the survival of a species. Only when genetic material replicates can it be passed from one generation to the next, ensuring the survival of a species. Unlike sexual animals, asexual creatures do not create gametes. As a result, although both asexual and sexual creatures replicate their genetic material, the development of gametes is not crucial in asexual species. Protein synthesis does not contribute in any way to species continuation.
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Evolution is a process that occurs in changes in the genetic content of a population over time. Evolutionary change is generally classified into two: microevolution and macroevolution. The process of changes in allele frequencies in a population over time is a microevolutionary process. Three main mechanisms that cause allele frequency change are natural selection, genetic drift, and gene flow. On the other hand, macroevolution refers to change at or above the level of the species.