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1. Asexual reproduction is based on mitosis in eurkaryotic organisms on fission in bacteria and archaea. It results in offspring that are genetically identical to the parent.
2. Sexual reproduction is based on meiosis and fusion of gametes. It results in offspring that are genetically different from their parents from each other.
3. Sexual reproduction evolved in protists and this evolution ranks among the most significant evolutionary innovations observed in eurkaryotes.
4. Alternation of generations: alternation of multicellular haploid (gametophyte) and diploid (sporophyte) forms. When alternation of generations occurs, a spore divides by mitosis to form a haploid, multicellular gametophyte. The haploid gametes produced by the gametophyte then fuse to form a diploid zygote, which grows into the diploid, multicellular sporophyte.
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How does the process of substitution mutation impact genetic diversity within a population?
Substitution mutation can increase genetic diversity within a population by introducing new genetic variations. This can lead to different traits and characteristics, potentially increasing the overall genetic variability of the population.
What does the evolutionary process result in?
The evolutionary process results in the adaptation and diversification of species over time to optimize their survival and reproduction in a changing environment. This process is driven by natural selection, genetic drift, and other factors that shape the genetic variability within populations.
Does the process of independent assortment contribute to an increase in genetic variation?
Yes, the process of independent assortment contributes to an increase in genetic variation by creating different combinations of alleles during meiosis, leading to a greater diversity of genetic traits in offspring.
What is the purpose of crossing over?
to school the person trying to get the ball
How recombining of genetic information leads to offspring that exhibit genetic variability?
Recombining of genetic information (crossing over) during prophase I of meiosis results in every chromosome being a combination of the person's mother's and father's genetic information. Recombination of genetic information in an offspring takes place at the time of gametic union forming the zygote. The genetic variability depends on the extent of heterozygocity present in the population of that species. Role of crossing over is limited to the extent of frequency of genes present in an individual to produce variety of gametes.
How does the process of substitution mutation impact genetic diversity within a population?
Substitution mutation can increase genetic diversity within a population by introducing new genetic variations. This can lead to different traits and characteristics, potentially increasing the overall genetic variability of the population.
Why cross pollination takes place?
To create more genetic variability so as give momentum to the process of evolution.
How S. fimicola leads to genetic variability within a population?
S. fimicola can lead to genetic variability within a population through sexual reproduction, which involves the exchange of genetic material between individuals during mating. This process can generate new combinations of alleles, leading to increased genetic diversity in the population. Additionally, mechanisms such as mutation and genetic recombination can further contribute to genetic variability in S. fimicola populations.
How does conjugation benefits protists?
Conjugation in protists serves as a method of sexual reproduction that enhances genetic diversity, allowing for greater adaptability to changing environments. By exchanging genetic material, protists can increase their resilience against diseases and environmental stresses. This process also helps to eliminate harmful mutations, contributing to the overall health and survival of the population. Additionally, conjugation can lead to the emergence of new traits, promoting evolutionary advancement within protist species.
What process in meiosis increases genetic variation?
The process of meiosis increases genetic variability as it produces Answers.com for Answers.com. Each Answers.com receives half the Answers.com of the parent Answers.com; the half it receives is randomly assorted.
What is the cellular process that has the goal is to increase genetic diversity?
meiosis
What does the evolutionary process result in?
The evolutionary process results in the adaptation and diversification of species over time to optimize their survival and reproduction in a changing environment. This process is driven by natural selection, genetic drift, and other factors that shape the genetic variability within populations.
Does the process of independent assortment contribute to an increase in genetic variation?
Yes, the process of independent assortment contributes to an increase in genetic variation by creating different combinations of alleles during meiosis, leading to a greater diversity of genetic traits in offspring.
Which process performs genetic recombination?
Genetic Recombination is the exchange of genetic information in order to increase the genetic diversity of the population. Probably only with bacteria.
What process of reproduction bring with the greatest potential for genetic variability?
Sexual reproduction brings the greatest potential for genetic variability due to the combination of genetic material from two parents. During meiosis, the process of gamete formation, crossing over and independent assortment occur, leading to unique combinations of alleles. This genetic diversity is further enhanced by fertilization, where random mating can introduce new gene combinations. Consequently, sexual reproduction plays a crucial role in evolution and adaptation.
True or false sexual reproduction in protists requires only one organism?
False. Sexual reproduction in protists typically involves two organisms, each contributing genetic material to produce offspring. This process allows for genetic diversity and can involve a variety of mechanisms, such as conjugation or fusion of gametes.
Does sexual reproduction increase or decreases genetic diversity?
Sexual reproduction increases genetic diversity by combining genetic material from two individuals, resulting in offspring with unique combinations of genes. This process introduces new genetic variations into populations, which can increase their ability to adapt to changing environments.
