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The more similar the DNA sequences of two species are the more closely related the species are?
Yes, that's correct. Species with more similar DNA sequences are considered more closely related evolutionarily since they share a more recent common ancestor. This similarity in DNA sequences is used to construct phylogenetic trees and understand the evolutionary relationships between different species.
What role does molecular evidence play in determining how closely two species are related to each other?
Molecular evidence helps determine the genetic similarities and differences between species by comparing their DNA sequences. The more similar the DNA sequences are between two species, the more closely related they are believed to be. This information can be used to construct phylogenetic trees and identify evolutionary relationships among different species.
A group of similar organisms that can produce fertile offspring?
A group of similar organisms that can produce fertile offspring are species.
What is a group of closely related species?
family
How can molecular evidence show how closely related species are to each other?
Well, using molecular techniques we can now sequence and evaluate the genomes of organisms. So if we know the genes in a human, a monkey, and a carrot, for example, then we can see genetically which organism is more related to the other. Mind you Darwin didn't even know what genes were when he did his research in the Galapagos
Scientists know that organisms that are more closely related will have DNA sequences more similar to each other than organisms that are distantly related Which two organisms below would most likely h?
dog and wolf
Scientists know that organisms that are more closely related will have DNA sequences more similar to each other than organisms that are distantly related. Which two organisms below would most likely h?
dog and wolf
Proteins can be used to determine how closely related organisms are because amino acid sequences are determined by an organism's?
genetic code. Organisms that share more similar amino acid sequences in their proteins are likely to be more closely related than those with differing sequences. This similarity can help scientists infer evolutionary relationships between different species.
What is the most useful fact in determining whether two organisms are related?
DNA sequence similarity is the most useful factor in determining whether two organisms are related. The more similar the DNA sequences of two organisms are, the more closely related they are likely to be evolutionarily.
The more similar the DNA sequences of two species are the more closely related the species are?
Yes, that's correct. Species with more similar DNA sequences are considered more closely related evolutionarily since they share a more recent common ancestor. This similarity in DNA sequences is used to construct phylogenetic trees and understand the evolutionary relationships between different species.
Which two organisms should Serena conclude are most closely related?
To determine which two organisms are most closely related, Serena should compare their genetic similarities, physical characteristics, and evolutionary histories. Organisms that share a recent common ancestor and exhibit similar DNA sequences or structural traits are typically considered more closely related. Analyzing phylogenetic trees can also provide insight into their evolutionary relationships. By focusing on these factors, Serena can make a well-informed conclusion about their relatedness.
Are similar genes evidence of common ancestory?
Yes, similar genes are evidence of common ancestry. Genes are passed down from generation to generation, so when organisms share similar genetic sequences, it suggests a shared evolutionary history or common ancestor. This is a fundamental concept in the field of evolutionary biology.
DNA for certain proteins such as cytochrome is more similar in closely related species than it is in species that are less closely related why?
This is because closely related species share a more recent common ancestor, leading to a more recent divergence in their DNA sequences. As species diverge over time, accumulation of genetic mutations cause differences in their DNA. Therefore, closely related species have had less time for genetic mutations to accumulate, resulting in more similar DNA sequences for certain proteins like cytochrome.
What characteristics should be very similar in order to support an inference that two plants are closely related?
Plants that are closely related usually share similar morphological features like leaf shape, flower structure, and growth patterns. Additionally, closely related plants tend to have a common ancestor, leading to similarities in genetic makeup and evolutionary history. Molecular data, such as DNA sequences, can also be used to support the inference that two plants are closely related.
How do you use DNA to determine if something is closely related?
DNA can be used to determine how closely related two organisms are by comparing their genetic sequences, specifically looking at similarities and differences in the nucleotide base pairs. The more similar the DNA sequences, the more closely related the organisms are thought to be. By analyzing DNA, scientists can track evolutionary relationships and construct phylogenetic trees to understand the genetic distance between different species.
What type of evolution refers to two organisms that are not closely related becoming more and more similar to one another?
convergent evolution.
What does the presence of similar DNA sequences in the genes in very dissimilar organisms imply?
The presence of similar DNA sequences in genes of very dissimilar organisms implies a common ancestry or evolutionary relationship. These similarities suggest that these organisms share a common ancestor and have inherited these sequences through evolution.
