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BlakeVariations in generation time can be influenced by factors such as environmental conditions (e.g. nutrient availability, pH, temperature), genetic differences within the population (e.g. mutations, gene expression), and competition for resources. These variations can allow for adaptation to changing environments and increase the overall fitness of the population.
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Why is DNA from two organisms of the same species polymorphic?
DNA from two organisms of the same species can be polymorphic due to variations in their genetic material, such as single nucleotide polymorphisms (SNPs) or insertions/deletions. These variations can arise from mutations, genetic recombination, or genetic drift, leading to differences in their genetic sequences that make each individual unique within the species.
What happens during adaptive radiation?
Adaptive radiation is a process where a single ancestral species rapidly diversifies into multiple new species to fill different ecological niches. This usually occurs in response to new environmental opportunities or challenges. Each new species evolves specific adaptations to thrive in their respective niches, leading to a wide range of morphological, behavioral, and ecological variations among the descendant species.
What is the definition of SNP genotyping?
SNP genotyping is the process of determining the specific genetic variations called single nucleotide polymorphisms (SNPs) in an individual's DNA. This analysis involves identifying differences in a single nucleotide base at a specific position in the DNA sequence. SNP genotyping is essential for studying genetic variations and their associations with traits or diseases.
Which statement is more accurate to scientist the evolution of a single individual organism or the evolution of a whole species?
The evolution of a whole species is more accurate as it considers genetic variations and adaptations across multiple individuals within a population over time. Evolution of a single individual organism does not accurately represent the gradual changes in a population that drive species evolution.
What are the three types of variation in humans?
The three types of genetic variations in humans are single nucleotide polymorphisms (SNPs), insertions and deletions (indels), and copy number variations (CNVs). SNPs are changes in single DNA building blocks, indels involve the insertion or deletion of small DNA segments, and CNVs are variations in the number of copies of a particular gene.
