So how can individual selection result in low reproductive rates or short life spans?

Q: What is disruptive selection ?

A: Disruptive selection describes changes in population genetics in which extreme values for a…

Q: Explain the concept of Sexual Selection in humans ?

A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…

Q: If recessive alleles were beneficial, would this promote the evolution of selfing? Describe why or…

A: Breeding systems are extremely important as they affect genome evolution through genetic processes.…

Q: What is the Evidence That Populations Evolve by Natural Selection?

A: Evolution is the process of heritable change in the characteristics of an organism. Such changes…

Q: Why is genetic variation important to populations?

A: Answer

Q: How does sexual selection operate?

A: Sexual selection is an "exceptional or special case" of natural selection. The sexual selection…

Q: On which traits natural selection operates?

A: Evolution is the cumulative change in the characteristics of an organism or a population over the…

Q: How can natural selection favor different phenotypes at different times?

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

Q: Why hybridization does not necessarily result to evolution?

A: Hybridization is the process of using base pairing to combine two complementary single-stranded DNA…

Q: explain how natural selection works and how it affects populations?

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

Q: Is it true that natural selection allows only the better alleles to be passed onto the next…

A: Darwin stated the theory of natural selection in which he gave the following arguments: First, he…

Q: What is artificial selection?

A: Selection is a very important criteria for the evolution of the species. Selection gives the chance…

Q: What is the long term and short term effects of natural selection on coding and non-coding DNA, the…

A: Natural selection is the word coined by Darwin. It is simply the theory which states that the better…

Q: Why can’t evolution act on individuals?

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

Q: Under which circumstances might a population not be subjected to natural selection?

A: An adaptation is an inherited characteristic that allows an organism to survive and reproduce…

Q: Is sexual reproduction required to generate the variability in structures and behaviors that is…

A: Reproduction is the process of formation of an offspring from the parent organism. Reproduction can…

Q: How can natural selection maintain harmful alleles in a population?

A: The process in which a population of living organisms adapts to their environment by certain changes…

Q: Why does stabilizing selection decrease geneticdiversity?

A: Natural selection may use genetic variation to increase or decrease the number of alleles already…

Q: Are dominant traits always more frequent in a population than recessive traits? Is that what…

A: Humans carry 2 copies of each gene on 2 copies of chromosome. Hence the different versions of the…

Q: How Disruptive selection is bidirectional ?

A: Answer- There are three type of ecological selection.  Disruptive Stabilizing DIrectional

Q: Differentiate the difference between Natural Selection and Artificial selection?

A: Selection is very important phenomenon in biology, particularly in evolutionary biology. In the…

Q: Why is a silent mutation ignored by natural selection?

A: Mutation  The changes in the sequence of gene or DNA either by addition or deletion of base pairs…

Q: Why is negative selection important?

A: The cells are the primary unit of life. Based on the number of cells an organism may be prokaryotic…

Q: if the recessive allele r is lethal, what genotypes will natural selection benefits ?

A: Recessive alleles are nearly tough to completely eradicate from a population since both AA and Aa…

Q: What is the ultimate cause of variation in populations?

A: Genetic Variation in population  Genetic variation refers to differences in the genetic makeup of…

Q: Sexual selection tends to cause bigger size,more elaborate weaponry, or brighter colors in males. Is…

A: Natural selection is the method by which a population of living organisms accommodates and develops…

Q: Are there examples of artiicial selection in animals?

A: The two main components of nature and abiotic and biotic components. The environment constitutes the…

Q: Why do recessive lethals persist in a population? Provide an example of a recessive lethal allele.

A: Dominance is the ability of an allele to express itself phenotypically both in homozygous and…

Q: Organisms heterozygous for a recessive trait are often called carriers of that trait. What does that…

A: Carriers of a trait are always heterozygous, and the trait is always recessive.

Q: How does natural selection influence adaption?

A: The natural process by which species adjust to changes in their environment. Life forms with…

Q: Will a recessive allele that is lethal in the homozygous condition ever be completely removed from a…

A: Natural selection favors the phenotype that is favorable and often the harmful alleles are…

Q: Natural selection means that the environment favors survival of some genotypes. From where does…

A: Natural selection can also give certain people a reproductive edge over others. Natural selection…

Q: Why is inbreeding not advisable?

A: Inbreeding is the process of mating closely related individuals like brother and sister, father and…

Q: Are polymorphisms common or rare in natural populations?

A: Polymorphism is an intermittent genetic variation bringing about the event of a few unique…

Q: Why might natural selection act more strongly on traits that improve reproductive success early in…

A: To find Why natural selection act more strongly on traits that improve reproductive success early in…

Q: If natural selection can only operate on existing variants, where does all that variation come from?…

A: Natural selection can just function on a population's preexisting variety. Mutation, or a…

Q: Is it easier for selection to remove a deleterious recessive allele from a randomly mating…

A: Evolution is the change in the characteristics of the individual over several generations.  Natural…

Q: How would you describe the process of artificial selection?

A: Natural selection and Artificial selection are ecological processes by which organisms living on…

Q: Why do you think it is necessary for there to be variation in a population in order for evolution by…

A: Evolution is defined as the change in characteristics of a species over a period of time.

Q: Which of the below is NOT a component of natural selection? Group of answer choices Differential…

A: Evolution is defined as the change in trait of species over a period of time. It is a long term…

Q: Explain how it is that natural selection doesn't act on genes?

A: Variation is essential for a species' existence because it helps the organism to adapt to changing…

Q: Why is mutation important to evolution if it is the microevolutionary force that generally has the…

A: Microevolution is the evolution that acts on a small population or in a single species and it is…

Q: Natural selection is dependent on several factors, including the ability a population to survive and…

A: Natural selection:It can be defined as an evolutionary mechanism by which the organisms that are…

Q: What is the importance of heritability in natural selection?

A: Introduction  In breeding and genetics, the term "heritability" refers to a statistic that…

Q: Can someone please explain the distinction of natural selection and evolution of populations?

A: Mutations are the random changes in the nucleotide sequences of the DNA. These mutations create…

Q: How does artificial selection, natural selection, genetic drift, mutation and recombination…

A: Changes can be little, for instance, a little change in body size or an adjustment of the shade of…

Q: What is artificial selection?  Provide an example.

A: artificial Only when people interpret the data does selection occur. In the case of artificial…

Q: Why does the response to selection often level off after many generations of selection?

A: In genetics, the degree of variation of a trait in a population is estimated by the statistical…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.