Why do the locations of hybrid zones change? Why would a hybrid zone appear where one formerly didn't exist? Why is the chickadee hybrid zone moving north in Pennsylvania? Explain what reinforcement is. Does reinforcement favor maintaining two distinct species, or does it favor two species becoming one?

Q: Can a population with more than 80% heterozgotes for a locus be in Hardy-Weinberg equilibrium? Less…

A: The Hardy-Weinberg law is a mathematical relationship between the allele frequencies and the…

Q: how can a small popoulation/high genetic drift "help" ab eneficial allele become fixed?

A: Genetic drift is a shift in allele frequencies in a population that happens by chance from…

Q: We take advantage ________ when crossing Landrace and Large White. Inbreeding depression Hybrid…

A: Landrace breed It is a breed of large white hog. It originated in Denmark. This breed has traits of…

Q: Why do habitat preferences of species typically cause alpha diversity to be lower than gamma…

A: gamma diversity (γ-diversity) is the total species diversity in a landscape. It is suggested that…

Q: Which of the following is most likely seen in hybrid zones where reinforcement is occurring? O the…

A: Reinforcement is defined as the process by which natural selection will increase or elevate the…

Q: What are factors which causes two hybrid populations to separate? Reinforcement Fusion

A: Hybridization has the potential to influence evolution in a number of ways. The geographical spread…

Q: what will happen to the allele frequency of a population over generations if the more rare flower…

A: Allelic frequency  It can be defined as relative frequency of a allele at perticular locus of a…

Q: Hybrid breakdown refers to which situation? Group of answer choices Two species can hybridize but…

A: When two organisms from different species are crossed to produce a offspring such an organism is…

Q: You are studying a population of oysters in Delaware Bay and you find allele frequencies of 0.4 and…

A: Abstract The distribution of migratory shorebirds within Delaware Bay, New Jersey, was examined…

Q: In either a secondary or a primary hybrid zone, what do the graphs above indicate about the relative…

A: Cline is defined as the special measurable gradient in which one single trait or character of a…

Q: Which of the following are?  prezygotic zygotic barriers “Pre”  postzygotic barriers  ”Post”…

A: Prezygotic barriers -- Barriers that prevent mating and  fertilization  Example--  Habitat…

Q: A population in Hardy Weinberg Equilibrium has 300 individuals and 25% of these are recessive.  What…

A: Hardy-Weinberg equilibrium is present in a large population in which there are no evolutionary…

Q: Which of the following is not a post-zygotic isolating mechanism? Group of answer choices zygote…

A: Reproductive isolation is the process that prevent the species to mate together. It is achieved by…

Q: What are factors which causes two hybrid populations come back together? Reinforcement…

A: Speciation happens throughout a range of evolution. At the point when another species emerges, there…

Q: the United States, the rare red wolf (Canis lupus) has been known to hybridize with coyotes (Canis…

A: An endangered species is a species that is very likely to become extinct in the near future.…

Q: What factors can support the long-term stability of a hybrid zone if theparent species live in…

A: A hybrid is an offspring resulting from combining the qualities of two organisms of different…

Q: What is the average survival rate for the Minotaur when the breeding season starts?   A. 0.42…

A: Minotaur Minotaur is an Greek mythical creature which have head and tail of bull and body of human.…

Q: Members of two separate species mate and produce hybrid offspring that fail to thrive in the…

A: In biology, a hybrid is the outcome of sexual reproduction mixing the traits of different organisms…

Q: Which of the following is a change in allele frequency due to chance alone?   Founder effect   Gene…

A: Evolution is the change in a species over a long period of time.  There are many forces which causes…

Q: Distinct species that are able to interbreed in nature are said to “hybridize,” and their offspring…

A: The hybrids form from two different species. The hybrid continues to produce its next generation in…

Q: The red wolf (Canis rufus) was once widespread in the southeastern United States but was declared to…

A: The endangered species is a species whose number has fallen to a critically low level and is likely…

Q: What is the key difference between prezygotic and postzygotic isolating mechanisms? Give an example…

A: Introduction: The reproductive isolation mechanisms are a set of evolutionary mechanisms,…

Q: Which of the following is a pre - zygotic barrier that can cause reproductive isolation ? Two fish…

A: A pre-zygotic reproductive barrier is a mechanism by which the fertlization is prevented from…

Q: WHAT IF If M. cardinalis individuals that had the M. lewisii yup allele wereplanted in an area that…

A: A hybrid is an offspring resulting from combining the qualities of two organisms of different…

Q: How do we know when populations have diverged to the point that they form two different species?

A: According to the biological species concept, organisms are said to be belonging to the same species…

Q: Is it possible for individuals within the same species to naturally have no variations between them?…

A: Genetics is the branch of biology that deals with the study of genome of an organism and its gene…

Q: What are factors which causes two hybrid populations not to change? Reinforcement Fusion Stability

A: Hybrids are the offspring of parents that have genetically defined qualities that differ from one…

Q: Which of the following is a post -zygotic barrier that can cause reproductive isolation ?

A: The barriers or differences in geographical, behavioral, physiological, or genetic factors prevent…

Q: the savannahs of the Amazon different species of the genus Ipomoea are pollinated by either…

A: Postzygotic isolation occurs when the mating between the members of two different species produces a…

Q: An invasive species specialist often observes an introduced frog species spawning in small ponds…

A: Reproductive isolation can be defined as the phenomenon in which the animals are unable to…

Q: separate species. However, on rare occasions (especially in zoos) they have been known to mate and…

A: Rows between two species of animals are traditionally drawn if they are not able to reproduce…

Q: Which of these is an example of a key innovation?   A caterpillar of a butterfly species provides…

A: A habitat is a place where an organism makes its home. A habitat meets all the environmental…

Q: In a hybrid zone, reinforcement often prevents which of the following?   a. Fusion   b.…

A: These are areas where the hybrid offspring of two divergent taxa are prevalent and there is a clone…

Q: Two species of plants grow along a mountain slope. One species grows mainly at low altitudes, and…

A: Introduction : The idea of biological species states that two organisms are considered to be of the…

Q: What is the frequency of heterozygotes Aa in a randomly mating population if the frequency of the…

A: Genetics can assist us in comprehending why people appear the way they do and why some people are…

Q: If the hybrids do not become reproductively isolated from their parent species and form a new…

A: The formation of new species from parental species takes place through the process of speciation…

Q: Which of these outcomes are examples of reproductive isolation? Select all that apply.   Individuals…

A: Speciation, driven by evolution, results in the collection of many small genetic changes called…

Q: Sometimes gene flow between populations can have negative effects, with one population receiving…

A: gene flow sometimes has a positive effect sometimes has a negative effect on a population.

Q: Pre-zygotic Reproductive Isolating Mechanisms Explanation Еxample Habitat Isolation Behavioral…

A: Isolating mechanisms  Factors that prevent gene exchange among populations are called isolating…

Q: What is genetic drift? What is a founder? Are these important in large populations or in small ones?…

A: A species is a group of organisms that have the ability to interbreed in nature. It is the largest…

Q: Fruit flies of the genus Drosophila are distributed worldwide, but 30-40% are found on Hawaiian…

A: Species of Drosophila are distributed worldwide. The question has asked as to why 30-40% of the…

Q: a.) In either a secondary or a primary hybrid zone, what do the graphs above indicate about the…

A: Cline --- Definition --- Derived from Greek word klinen means ' to lean ' . It is a measurable…

Q: How does reproductive isolation differ in sympatric modes and allopatric modes of speciation

A:

Q: A population has 300 individuals and 1/3 are recessive.  If 100 individuals are heterozygous is the…

A: The Hardy Weinberg law states that when a population is in equilibrium the genotypic frequencies…

Q: Can factors that cause sympatric speciation also cause allopatricspeciation? Explain.

A: Sympatric speciation is the evolution of a new species from a surviving ancestral species. Both the…

Q: In general, what is the effect of complete selection, migration and random genetic drift on the gene…

A: Genetics is the study of genes, their interactions, and the effect of the environment on genes.…

Q: How does the soapberry bug differ in Central Florida from the ones found in South Florida? What do…

A: In the living world, there is a great diversity of different organisms even from the same species.…

Q: If hybrids are less successful than individuals of either parent species which of the following is…

A: ANSWER;- C) Reinforcement

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.