Genetic variations in a population are caused by random

Asked by maham237 @ 25/12/2020 in Biology viewed by 279 People

Answered by maham237 @ 25/12/2020

Answer: The given statement can be completed as-

Genetic variations in a population are caused by random mutation.

Genetic variations can be described as differences in the nucleotide sequence of genome ( genetic makeup ) of individuals that are present within a population.

They can be caused by random mutation ( permanent change in the nucleotide sequences) as it brings change in the frequency of gene in a population.

It can also be caused by crossing over between homologous chromosomes and random mating between organisms.

What is the biological significance of genetic diversity between populations

Asked by admin @ 16/10/2021 in Biology viewed by 278 persons

What is the biological significance of genetic diversity between populations? What is the biological significance of genetic diversity between populations? Genes for traits conferring an advantage to local conditions make …

Why is fish farming an issue for wild populations genetically

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Which of the following is a valid concern about the impact of biotechnology on biodiversity? Biotechnology will result in depletion of wild populations because high numbers of organisms will be …

Explain the role of crossing over in ensuring genetic variation

Asked by admin @ 07/11/2021 in Biology viewed by 289 persons

Which situation is a result of crossing-over during meiosis? A Genes are duplicated exactly, ensuring that offspring will be identical to the parents. B Chromatids thicken and align themselves, helping …

Identify the type of variation in the polar bear population

Asked by maham237 @ 12/07/2021 in Biology viewed by 337 persons

How do advances in industrialization and urbanization cause a population rise?

Asked by maham237 @ 25/12/2020 in History viewed by 290 persons

How do advances in industrialization and urbanization cause a population rise? by improving public nutrition by producing a higher quality of life by providing better public health care

Crossing over is a major mechanism for generating genetic variation

Asked by admin @ 26/11/2021 in Biology viewed by 267 persons

Sexual reproduction in eukaryotes increases genetic variation. In prokaryotes, transformation, transduction, and conjugation are mechanisms that increase genetic variation. A fundamental difference between the generations of genetic variation in the …

Which two factors can both cause a population to increase?

Asked by maham237 @ 18/12/2020 in Biology viewed by 287 persons

Which two factors can both cause a population to increase? birth rate and emigration birth rate and immigration death rate and immigration death rate and emigration

Which are three main factors that cause population change

Asked by admin @ 10/08/2021 in Social Sciences viewed by 293 persons

Which are three main factors that cause population change? (a) Births, deaths and marriage (b) Births, deaths and migration (c) Births, deaths and life expectancy NCERT Solutions for Class 8th …