The challenge in using sequence data to estimate the evolutionary tree for all living things is to find a gene that shows recognizable sequence similarities even between highly distantly related species . Which of the following should NOT be among the features of this gene? A. The gene subject to strong diversifying selection. B. It is present in all organisms. C. It encodes a product whose function is essential. D. The function of the gene must have remained the same in all organisms.

Q: Most mutations relevant to evolution occur because A. of DNA replication during mitosis B. of DNA…

A: A mutation is a change in a cell's DNA's nucleotide sequence. Mutations can take many different…

Q: A researcher compares several species of maple tree by examining the amino acid sequence of a…

A: Answer : D. The genetic makeup of the maple tree population has changed over time.

Q: Why are homologous traits similar?   A. they result from genetic and developmental similarities.…

A: The evolution is the alteration in the gene pool of the population from one generation to the next…

Q: You are a scientist studying the relationships between lizards, penguins, and parrots. You examine…

A: Introduction The Study Of Evolutionary Relationships Among Biological Things — Usually Species,…

Q: A consortium of dairy and beef farmers has hired you to study the evolutionary origins of domestic…

A: Evolution is a change in the heritable qualities of natural populaces over progressive ages. These…

Q: The hoof of a horse and the claw of a cat are found to both form due to the expression of the same…

A: When the organs in different species have different functions but they arise from the same genes,…

Q: Why is our gene annotation important? n) Gene annotation done by real people is more accurate than…

A: Gene annotations  Gene annotation is the method by which scientist identify functional element along…

Q: The theory of evolution is most accurately described as Group of answer choices   A. Nn opinion that…

A: Charles Darwin’s theory of evolution states that evolution happens by survival of the fittest.…

Q: ecall the E. coli long-term evolution experiment.  What is the evidence that supports the notion of…

A: For this experiment, 12 populations of the bacteria Escherichia coli were taken. The glucose-limited…

Q: A major source of evidence for evolution is to be found in the comparative anatomy of organisms.…

A: Evolution is the process of slow and gradual change over a period of time. Many theories are given…

Q: An ancient gene underwent duplication during the course of evolution to yield two chain genes…

A: Gene duplication is a major mechanism through which new genetic material is generated during…

Q: Derived characters are traits: A. that are more complicated than ancestral characters B. that…

A: A derived character arises from random mutations that cause evolution and is shared by two or more…

Q: Which of the following statements about evolution is false?a. Gene mutations alone amount to…

A: Evolution is the process of slow gradual change over a period of time. The process of evolution…

Q: Which characteristics of mitochondrial DNA and chloroplast DNA sheds light into the evolutionary…

A: We can say that The cell is a minute structure made up of different organelles. There are basically…

Q: Describe the modern theory of evolution and discuss how it is supported by evidence from two of the…

A: Evolution is defined as the change in the genetic composition of a population during successive…

Q: Cladistic principles suggest that: a. All apes are hominins. b. Outgroups can help to define natural…

A: Cladistics is the method of biological classification where organisms are grouped into Clades, on…

Q: You are studying the evolution of a trait in two species of snakes where both species can flatten…

A: Homologous organs are defined as the organs of different animals that are having a similar structure…

Q: 1a) How do the events surrounding the Peppered Moth during the industrial era in Great Britain…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost the other question…

Q: When comparing the coding regions of a protein-encoding gene among closely related species, certain…

A: Genetic variation refers to the difference in DNA sequences between individuals within a population.…

Q: The table below shows short DNA sequences from a gene in a closely related group of dragons, as well…

A: We have a group of seven closely related dragon species with homologous gene sequences. These are…

Q: Assume you are studying two different species of plants that have evolved purple flowers. You…

A: Evolution means that the development of new species occur from the existing ones by the changes…

Q: 2a)An ancient gene underwent duplication during the course of evolution to yield two chain genes…

A: Speciation  It is an evolutionary process in which new species arises from previous existing…

Q: In order to determine polarity for different states of a character a. there must be a fossil…

A: In order to determine polarity for different states of a character;

Q: Gene families arise in the human genome are thought to have risen from   A. duplication followed…

A: Gene families are a cluster of genes that arose from the common ancestral globin gene. There are…

Q: Imagine that some lizards from both islands are brought to a laboratory and lizards from each…

A: Evolution is a gradual change in species over time. It is a continuous process.

Q: Darwin’s finches are a noteworthy case study of evolution by natural selection because evidence…

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: Some embryos share many similarities and are difficult to tell apart, while others are slightly…

A: Answer. The similarities between the embryos of the various species were observed independently by…

Q: Advances in biotechnology have revolutionized the study of ancient remains. In Ötzi's case, a…

A: Biotechnology is a broad category of current technologies that employ vital organs, cells, or parts…

Q: A shared derived character is a. derived from an ancestral character. b. more recently developed…

A: Character is defined as the aggregate of features and traits that are observable. It is either…

Q: Researchers have found fossils of Eocene horse species in Colorado. Deeper deposits contain smaller…

A: Introduction  Evolution is the key process which regulates the survivability and continuity of…

Q: Refer to the evolutionary tree in the diagram. Ducks and blue jays are both types of birds.  Which…

A: Introduction :- There are two main approaches to classify the organism's :- phenetics approach and…

Q: The process by which evolution occurs is calleda. natural selection. b. development.  c.…

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: Recall from our classes on molecular evolution that some proteins evolve more rapidly than others.…

A: The option is shown below.

Q: DNA sequence data suggest that modern humans last shared a common ancestor with Old World monkeys…

A: Introduction Phylogenetics is a field of biology that investigates organisms' evolutionary…

Q: Which of the following is molecularlgenetic evidence for evolution?

A: The molecular biological or genetic evidence for evolution gives the similarities between many…

Q: Describe the modern theory of evolution and discuss how it is supported by evidence  from two of…

A: Evolution is a concept that may be understood with the help of certain evidences. These evidences…

Q: What is neutral evolution?  A. When certain genes are present or absent in populations regardless of…

A: Neutral evolution is a concept in evolutionary biology that refers to changes in gene frequency that…

Q: What consequences does horizontal gene transfer pose for evolutionary biologists? a. It can pose…

A: Horizontal gene transfer is the transfer of bacterial genetic material from one bacterium to another…

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.