world travel becomes easier and human populations intermix, the occurrence of what 12) phenomenon will probably decrease? A) founder effect and genetic drift C) sexual selection B) mutation D) immigration Then exlpain why the choice is

Q: Gene flow is accomplished by ______ A) migration B) sexual recombination C) natural selection D)…

A: Gene flow - movement of genes betweenpopulations. Gain or loss of alleles from a population due to…

Q: 49. Which one below is the largest unit within which gene flow can occur based on the biological…

A: In the field of biology, the concept of species holds significant importance. It serves as a…

Q: recognized as a mechanism of speciation by either Darwin or the researchers of the "new synthesis".…

A: Hybridization is the process by which different varieties or species naturally or artificially are…

Q: The theory of Use and Disuse was proposed by___________.a) Lamarck b) Mendel…

A: Evolution is defined as the change in the heritable characteristics of biological populations over…

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: Maria has a sore throat. Her father takes her to the doctor and she is given an antibiotic. After…

A: Natural selection is a phenomenon that is caused due to the environmental factors in which the…

Q: 6:00 A < March 22 3:13 PM Edit e) Large population size Question 46 (Mandatory) Speciation, the…

A: Allopatric speciation refers to the process by which a single population becomes *geographically…

Q: Which of the following decreases genetic variation in a population? a)natural selection b)mutation…

A: Genetic variation is the variation that exists in the genetic makeup of individual organisms.

Q: Whichofthefollowingarenon-demographiccharacteristicsofstudypopulations

A: The analytical study of human populations is termed demography. Demography studies how populations…

Q: , I need help answering number 32 (Including the sub-parts) multiple choice questions. Pls and thank…

A: A selective sweep is defined as the process through which a new beneficial mutation that is known to…

Q: The groups we recognize as different human races represented populations that have been genetically…

A: Genetically isolated area is a place where the organisms are isolated from one another to a great…

Q: All genetic differences between all the individuals of all the different species are a result of

A: Genetic variation is responsible for the formation of all the different types of species that are…

Q: U A) Small population increases the likelihood of losing alleles B) Population size reduced to a few…

A: When a small number of individuals is separated from a larger population, the founder effect occurs,…

Q: What is Allopatric speciation? A) When a population is separated from the main group by a barrier…

A: Allopatric speciation : Allopatric speciation is  the process by which a physical barrier separates…

Q: FILL IN THE BLANK A 'wild-type' allele is the allele that is most common in a population, and that…

A: The term "allele" is used to refer to a gene's alternate form or variants. For every autosomal gene,…

Q: Darwin's studies of Galapagos finches are well known in the study of evolution. These studies have…

A: Speciation is a process by which member of same species no longer interbreed to produce offspring in…

Q: Lake Malawi in Africa is home to about 200 species of allopatrically speciated cichlid fish.…

A: When two populations of the same species are isolated from each other due to geographic changes then…

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: Traits that are governed by two or more genes are known as:

A: Polygenic Inheritence The polygenic interaction means the Inheritence of those traits which is…

Q: New genetic variations may occur because of (Check all that apply) Select 3 correct answer(s)" A)…

A:

Q: 1) Genetic drift is the result of ______. A) differential reproductive success B) chance C) a large…

A: Q. Ans:- Genetic drift is a condition that is created due to environmental disturbances, western…

Q: Two different species cannot occupy the same niche in the same geographic area. If they do they will…

A: Competition It is an evolutionary factor, when two species same or different occupy a same…

Q: Genetic drift    a.) All of the answers are correct            b.) Reduces genetic variation within…

A: Answer. Genetic drift is the random change in allele frequencies caused by sampling error across…

Q: Lamarck's theory of inheritance of acquired characters was challenged by: A) August Weismann B) Hugo…

A: BASIC INFORMATION LAMARCKISIM What was the first theory of evolution. The book written by lamarck is…

Q: What is Speciation? A) Movement of a population from one area to another B) Becoming part of an…

A:

Q: If this model continues, with no major changes to the environment, what do you expect to happen? A)…

A: Natural selection can cause microevolution (change in allele frequencies), with fitness-increasing…

Q: Explain how sexual selection might lead to a)sexual dimorphism and b) members of one sex (usually…

A: (a) Sexual selection leads to sexual dimorphism as males of a species make extreme efforts to…

Q: Suppose a very small group of birds serves as the foundation of a new population. As a result, the…

A: Genetic drift describes random fluctuations in the numbers of gene variants in a population. Genetic…

Q: ecological definition of a species?

A: Correct option is  1  By definition species is the group of individuals that can breed and produce…

Q: The genome size of humans and chimpanzees are both approximately 3 billion base pairs, sharing about…

A: It is the process whereby an organism better adapts to their environment tend to survive and produce…

Q: 8) Each of the observations provides evidence that supports the idea of common ancestry and…

A: In evolution different characteristics are compare for identifying the relationship between…

Q: How did Spiegelman et al.' s experiments in 1967 & 1970 on the origins of natural selection provide…

A: The RNA World hypothesis would be confirmed if experimental evidence indicated that a completely…

Q: The fact that a prokaryote has the ability to make a new protein that is placed in the cell membrane…

A: Prokaryotes are organisms in which cell do not have nucleus and organelles.  Prokaryotes are further…

Q: The author includes examples of broiler chickens and dairy cows that burn out quickly. How do these…

A: Selective breeding is a technique in which the parents are selected according to the desired…

Q: What is Sympatric speciation? A) When a population is separated from the main group by a barrier…

A:

Q: Which of the following statements can be a research hypothesis? Only one answer A) The aim of the…

A: Statement No-A can be a research hypothesis. Statement No - A The Aim of the study is to find out…

Q: Which of the following is NOT considered a genetic isolating mechanism?   Question 2 options:   a)…

A: The question asked here, is to find which of the option is not a genetic isolating mechanism. For…

Q: Question 60 (Mandatory) What would be the growth rate of an island population of 1,000 that has 30…

A: The net change in population can be calculated as follows:Births: 30 per 100 populationDeaths: -20…

Q: The primary reason that Earth experiences seasons is because of the a) Coriolis effect b) Earth's…

A: Earth's seasons are a result of its axial tilt, which causes different parts of the Earth to receive…

Q: Why are human and chimpanzee DNA 96 percent similar? Please choose the best option. a) Both groups…

A: The similarities between the two species is primarily due to the DNA sequences. It is the DNA…

Q: A vestigial trait in species A is a trait that is functional in a closely related species B, but…

A: A vestigial trait is that kind of a trait that has partially or fully lost its functionality over…

Q: DNA recombination occurs during the process of __________ and affects the population by ________…

A: Cell division is the process of division of cell into daughter cell. The cell division can take…

Q: Which of the following is true about natural selection? a) It always results in the evolution of…

A: Natural selection is one of the fundamental mechanisms of evolution. Evolution refers to the process…

Q: 27) Which sex does the selecting in Sexual Selection? A) the more attractive sex B) males…

A: As per the guidelines answering only 3 questions. kindly repost for other questions to be answered.…

Pre-Darwinian Concepts