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Which statement concerning production of off spring is correct?
Production of offspring is necessary for a speices to surive, but it is not necessary for an individual to surive
Is the following statement true or false crossing over causes the offspring to be different from the parent?
True. Crossing over is a genetic process during meiosis where chromosomes exchange segments of DNA. This creates genetic variation in the offspring, making them different from their parents.
Which of the following is necessary for evolution to occur?
Genetic variation is necessary for evolution to occur, as it provides the raw material for natural selection to act upon. This variation can arise from mutations, genetic recombination, or gene flow.
What process is responsible for genetic variation?
The process responsible for genetic variation is genetic recombination, which occurs during meiosis when genetic material is exchanged between homologous chromosomes. Mutations, which are changes in the DNA sequence, also contribute to genetic variation.
What mechanism is not a mechanism for genetic variation?
Mechanisms such as gene flow, mutation, genetic drift, and natural selection are all considered mechanisms for genetic variation. Non-genetic mechanisms, such as Lamarckian inheritance or acquired characteristics, are not considered valid mechanisms for genetic variation in the traditional sense.
Which statement concerning production of off spring is correct?
Production of offspring is necessary for a speices to surive, but it is not necessary for an individual to surive
Which statement is FALSE concerning gametes produced by meiosis?
The statement that is FALSE concerning gametes produced by meiosis is that they are genetically identical to the parent cell. Meiosis results in the formation of haploid gametes with genetic variation due to crossing over and independent assortment of chromosomes during the process.
Is the following statement true or false crossing over causes the offspring to be different from the parent?
True. Crossing over is a genetic process during meiosis where chromosomes exchange segments of DNA. This creates genetic variation in the offspring, making them different from their parents.
What is One consequence of genetic drift is?
Loss of genetic variation(:Novanet:)
Which of the following is necessary for evolution to occur?
Genetic variation is necessary for evolution to occur, as it provides the raw material for natural selection to act upon. This variation can arise from mutations, genetic recombination, or gene flow.
What is a source of genetic variation in organisms?
Human recombination is a significant source of genetic variation.
Relate genetic variation and mutations to each other?
mutations cause genetic variation, and vice-versa. If there is a genetic variation (or lack of one), then this can effect the severity of the mutation.
What contributes to genetic variation?
The patterns of nitrogenous bases in DNA encoded on the genes creates genetic variation.
Is Natural selection a source of genetic variation in a population?
No, natural selection works on that genetic variation presented to it.
Which of these is necessary for natural selection to occur genetic engeneering genetic variation asexual reproduction or enviormental stability?
Genetic variation is necessary for natural selection to occur. This variation provides the raw material for differential survival and reproduction, which drives the process of natural selection. Without genetic variation, there would be no differences for natural selection to act upon.
Do you no two examples of Inherited variation?
genetic and environmental variation
What process is responsible for genetic variation?
The process responsible for genetic variation is genetic recombination, which occurs during meiosis when genetic material is exchanged between homologous chromosomes. Mutations, which are changes in the DNA sequence, also contribute to genetic variation.
