The Most Recent Common Ancestor (MRCA) is an individual who donated DNA to every single living person, meaning we are all related to each other through him/her. Which statement best describes the human MRCA based on mitochondrial evidence? O The very first member of our species O A woman who lived in Siberia 40-50,000 years ago This person was the only human alive at some point O A woman who lived in Africa 200,000 to 300,000 years ago

Q: A common misconception about evolution is that O it does not have a goal O genetic mutations are…

A: Any abrupt or sudden changes in the DNA sequence results in mutation. it may or may not have an…

Q: All life shares DNA as the hereditary material. From an evolutionary perspective, why do you think…

A: To recap: The evolutionary foundation for the statement "All life shares DNA as a hereditary…

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A: Heart diseases are chronic diseases that usually progress with age. The expression of genes is…

Q: You have found fossils of a new species of ape that walks upright. After 11 additional years in the…

A: The whole branch of biology which deals with  establishing the relationship between two species is…

Q: rbean unike thoir closast relative the Black Bear have white fur Agenetic mutation has changed the…

A: Genetic diversity is the diversity or variability within species, community or assemblage. Every…

Q: Biologists have studied many different species, including humans, and have estimated that it takes…

A: Since we only answer 1 question in case of multiple question, we’ll answer the first question as the…

Q: Which of the following mutations is only found in Haplogroup F? OT16223C O G16230A O T16304C O…

A: Any kind of change or alteration in the order of DNA nucleotides is called a mutation. Mutations are…

Q: Why do distantly related species (such as ostriches, emus, and rheas) very different places…

A: The organisms change over a period of time because of “natural selection”. It also depends on the…

Q: Individuals who are SS homozygotes suffer from a debilitating condition called sickle-cell anemia,…

A: NATURAL SELECTION:- Natural selection is the process of selecting the best-fitted individuals after…

Q: What is the common ancestor of humans and apes?

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Q: e seven primary Linnaean categories are: O Genus, Species, Group, Kingdom, Animal, Tribe, and Fam O…

A: 6. Linnaeus’ hierarchical systems are categorized into seven groups: These are Kingdom, Phylum,…

Q: What is the most straightforward evidence at the molecular level in support of the idea that modern…

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Q: Which of the following pieces of evidence are used to construct a cloudogram? Choose all that apply.…

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A: Solar energy is carried to earth in three layers- ultraviolet radiation, visible light, and infrared…

Q: Which observation is NOT an evidence for Darwin's theory of common descent? O There are…

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Q: Which of the following is an evolutionary leftover from a feature that a common ancestral special…

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A: Answer. Acquisition of new genes. There are two fundamentally different ways in which new genes…

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A: Evolution is the phenomenon of the development of inheritable changes in an organism over a period…

Q: Which came first, the chicken or the egg?

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A: Phenotypic traits are the observable physical and behavioral characteristics of an organism, which…

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A: Evolution is the process of change in a population of organisms over time. This can be caused by…

Q: How did human farming influence the evolution of the sickle cell allele in human populations?

A: Sickle cell anemia is a genetic disease which is caused due the inheritance of the disease from the…

Q: Hypoxia is

A: Medical terms/terminologies are used to denote a specific illness or disease in the body. These are…

Q: While less known than Homo neanderthalensis, Homo were recently discovered to have a recent last…

A: Introduction Human evolution:- It is the process by which human beings developed on Earth from…

Q: Why is mutation important to evolution if it is the microevolutionary force t

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Q: 5. A new organism is discovered in the forests of Costa Rica. Scientists there determine that the…

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Q: 3. Using the origin (0, 0) and the data for species E, project out to predict how many nucleotide…

A: Disclaimer: - According to Bartleby guidelines, only the 1st three questions (for MCQ) can be…

Q: driving force behind the evolution of this population? O Mutation O Speciation O Equilibrium O…

A: It is necessary to change DNA sequences depends on the environmental condition to adapt and alive.…

Q: Which of the following is not thought to have been a source of organic molecules on early Earth?* O…

A: Cosmic dust

Q: At the molecular level every eukaryotic genome contains nonfunctional or non-coding DNA: Those parts…

A: Hardy–Weinberg model states that the allele and genotype frequencies in a population will remain…

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Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.