QUESTION 5 Without crossing over, people would be and the human species would be to survive. O A. less similar; less likely B. less similar; more likely O C. more similar; less likely D. more similar; more likely
Q: QUESTION 2 A character is Oa heterozygous organism O an observable physical feature O a physical…
A: A character is a variation in an observable physical feature. In biology , character is any…
Q: You have sampled a population in which you know that the percentage of the homozygous recessive…
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Q: Monozygotic twins: Question 2 options: a) Share 50% of their genetic material and if one twin…
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Q: Question 63 Both genetic bottlenecks and the founder effect are examples of? O Gene flow O Genetic…
A: Evolution happens when there is an adaptation of an organism to their environment. When the genotype…
Q: Explain in 2-3 sentences why a large population will help prevent genetic drift.
A: Genetic drift is the change in the frequency of an existing gene variant (allele) in a population…
Q: Question 6 In a population, there is a single-gene, autosomal recessive disease with 2 alleles, D…
A: Natural selection is an essential "evolutionary process". It implies that nature selects creatures…
Q: Question 2. A widow's peak hairline is a dominant trait and a straight hairline is a recessive…
A: The traits are transferred from parents to offspring, i.e. from one generation to another. Traits…
Q: Question 1 A girl is born with Turner syndrome. Where did the non-disjunction event occur? Ir…
A: Females with "Turner syndrome" have delayed sexual development. They are generally sterile, having…
Q: Question 8 Metapopulations fluctuate less than the populations that comprise them. Question 8…
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Q: QUESTION 3 A trait is a homozygous organism an observable physical feature a physical feature with…
A: Alleles are two contrasting characters of a trait. For example - height is a trait, long and short…
Q: QUESTION 5 I do an indepth study of two populations of cobras. During this study I crossbreed…
A: Introduction: Species-A species is a group of living organisms with genetically similar features and…
Q: Question 1 of 12 If 81% of a population is homozygous recessive for a given trait a. What is the…
A: Introduction :- The term homozygous recessive refers to an organism with two identical copies of the…
Q: relationships between oxpecker birds and ungulates (such as cows) according to recent research
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Q: Question 4 In ducks, the allele for black feathers (B) is co-dominant with the allele for white…
A: Alleles Alleles are the two different varieties of same gene for example height is gene and long and…
Q: Question 5 The effect of wolves on elk in Yellowstone is an example of Question 5 options: A) a…
A: Wolf presence caused unanticipated change in Yellowstone. It rebalanced elk and deer populaces,…
Q: Question 17 Homo sapiens domesticated the first plants approximately 95,000 years ago. O True O…
A: HOMO SAPIENS: Humans (Homo sapiens) are the most ubiquitous and numerous primate species, with…
Q: QUESTION 3 Most of the genetic variability within species and between species can be classified as…
A: Introduction :- A species is the largest collection of organisms in which any two individuals of the…
Q: Question 3 (1 point) "BB" is an example of a genotype Homozygous O Heterozygous Question 4 (1 point)…
A: An allele is a variant form of a given gene. Phenotype is the observed physical traits of an…
Q: QUESTION 17 Micro- and Macro-evolution are not possible without DNA mutation and reproduction making…
A: Question 17: Micro- and Macroevolution are not possible without DNA mutation and reproduction making…
Q: Early selection theories ____________ explain the cocktail party effect. a. can b. cannot…
A: Cocktail party effect is the ability of people to focus on a single auditory source in the presence…
Q: The Convention on Biological Diversity was ratified or accepted by 193 countries. Which country was…
A: The convention on biological diversity aims at the conservation of biodiversity, its sustainable use…
Q: QUESTION 58 The degree to which natural selection can operate depends on the degree to which a trait…
A: Natural selection causes populations to become adapted or increasingly well-suited to their…
Q: QUESTION 31 All species use the same elements to make DNA. O True O False
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Q: QUESTION 19 A new species could have alleles that are 98% the same as the population it evolved…
A: Gene transfer across populations, as in between species or during migration, in horizontal (lateral)…
Q: QUESTION 1 a) Distinguish between k and r selected species.
A: K-selected species: genera characters possess relatively stable populations fluctuating near the…
Q: Question 36 Which is the correct format for the species name for the Monarch Butterfly? Danaus…
A: The binomial nomenclature is used for the naming of a species. Carolus linnaeus use binomial…
Q: QUESTION 4 Is crossing over a good or a bad thing? O A. a bad thing because it makes offspring with…
A: Recombination, the method by which deoxyribonucleic acid strands are broken and repaired,…
Q: QUESTION 21 The discovery of Australopithecus afarensis (Lucy) was anatomically important because of…
A: Introduction Australopithecus afarensis Lucy was discovered in 1974 in Africa which confirmed our…
Q: Question 1 The possession of one of two types of earlobes (hanging or attached) is sometimes used to…
A: The study of inheritance pattern is an important phenomenon for tracing the heritable traits which…
Q: The current rate of extinction is ____ , compared to the historical background extinction rate. a.…
A: A species is said to be extinct when there is no doubt that the last individual of that species is…
Q: QUESTION 3 An example of a postzygotic reproductive isolating mechanism is O a. Spiders developing…
A: INTRODUCTION Postzygotic isolation prevents the formation of fertile offsprings.
Q: Question 65 Two species of mountain lions live in a forest on either side of a large river. Which of…
A: Reproduction isolation is the prevention of interbreeding between the populations of two different…
Q: Question 42 The term "clone" refers to any genetically identical population. A True B) False
A: Answer : The term "clone" refers to any genetically identical population . This is TRUE because…
Q: QUESTION 4 Is crossing over a good or a bad thing? A. a bad thing because it makes offspring with…
A: In the process of meiosis (a type of cell divisions), crossing over takes place between homologous…
Q: Question 7 The recessive allele frequency is .5. What is the homozygous recessive genotype…
A:
Q: QUESTION 25 Human and monkey arms are analogous. O True O False QUESTION 26 A cow forelimb and a…
A: Evolution is the change in the characteristic traits of organisms that are heritable over time. This…
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A: The phylogenetic tree is the diagrammatic representation of lines that tells about the evolutionary…
Q: Question 1 Review Concept 14.1 Match the term and its description. Each term can only be used once.…
A: This segment of DNA that can produce a polypeptide is called gene. It is an inherited factor that…
Q: QUESTION 3 DOK 2 What would you expect to happen to a potato plant that was modified to have the…
A: At- DBF2 is extracted from thale cess which is a species of Arabidopsis thaliana, is a tiny weed…
Q: QUESTION 3 Tigers and Lions can interbreed; however their offspring nearly always have developmental…
A: Reproductive barriers are classified into- premating barriers and post-mating barriers. These…
Q: Question 62 Joshua Akey found evidence that historic mating and hybridization between Modern Humans…
A: Human evolution is defined as "the process by which humans evolved on Earth from now-extinct apes."…
Q: There are 100 students in a class. Ninety-six did well in the course whereas four blew it totally…
A: Since you have asked multiple question, we will solve the first question (Question 3) for you. If…
Q: QUESTION 10 When using an organism's taxonomic name, scientists usually abbreviate by using just…
A: Homo modernus - The Homo modernus (modern man) was born some time in the 780s Homo ferox means…
Q: A particular species of endangered bird distributes seeds for plants and is an important food for…
A: Endangered species refers to plants or animals that are at the verge of extinction due to sudden…
Q: Question 5 A The three-spined stickleback (Gasterosteus aculeatus) is a species of fish that has…
A: Sticklebacks are referred to as small, scaleless fishes. They will have around 2-10 stout,…
Q: QUESTION 12 Consider a hypothetical beetle whose back abdomen pattern is determined by two alleles…
A: The three kinds of genotypes are present in case of two alleles of a single gene. A1A1 encodes solid…
Q: Question 8 of 12 The allele "y" occurs with a frequency of 0.8 in a population of clams. Give the…
A: Hardy Weinberg equation is a mathematical equation used to calculate the genetic variation of…
Q: QUESTION 38 Florida panthers had declined to fewer than 100 individuals with a variety of health…
A: Inbreeding depression is the decreased survival and fertility of any kind of ancestral down the line…
Q: Question 6 Homework Unanswered Jonathan Losos dermonstrates that various anole species have evolved…
A: Introduction Physical adaptations are special body parts that help a plant or animal survive, like…
Q: Question 19 Crickets of different species have unique mating songs that attract only members of…
A: Reproductive isolation either prezygotic or postzygotic can lead to speciation. Speciation results…
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- Question 49 The scientist(s) who showed that DNA contained equal amount of certain nitrogen bases (i.e., A=T and C=G) is (are): Question 50 The cell that starts meiosis I is: haploid diploid a somatic cell a gamete Question 51 What is “silent” mutation? Question 52 Where does mitosis occur within this figure? (see letters in boxes) A B C D C and D Question 53 What form of chromosome abnormality is shown in the following Figure? Question 54 What type of mutation causes Sickle cell anemia? Question 55 The order of nucleotide bases on two sides of a DNA double-helix is Identical Similar Complemetary Nonidentical Question 56 What types of mutations are NOT passed to future generations? Question 57 What enzyme copies DNA into RNA? Question 58 Meiotic cell division replicates a cell's DNA ____________ and then divides ______________ twice; twice. once; once. None of the answer choices are correct. twice; once. once; twice. Question 59 ____ divide during meiosis I, while…Question 6 Albinism is caused by an autosomal recessive allele that interferes with skin pigmentation in mammals. Two normally pigmented human parents already have an albino boy. They plan to continue to have children until they get a girl. Some or all of this information is important for each of the questions below. a) What is the probability that their next child (currently unborn) will be a girl with albinism? Explain your reasoning. b) What is the probability their first female child will be albino? Explain your reasoning. c) The answer to part (b) is different (and, yes, the answer is different) from the answer to part (a). Explain why. (Hint: it has something to do with the underlined words.)Question 1 refers to the pedigree chart in Figure 11.2 for a family, some of whose members exhibit the dominant trait, W. Affected individuals are indicated by a dark square or circle. 1) What is the genotype of individual II-5? What are the genotypes of individuals II-2, 3, and 4 and II-6, 7, and 8?
- QUESTION 2 A male hare with the genotype AaBb is crossed with a female hare with the genotype AABb. Use a Punnet square to determine the genotypes, phenotypes and proportions in the offspring. Show all your working. [17] A = black hair a = yellow hair B = brown eyes b = blue eyesQuestion 26 refers to QTL on the cricket autosomes. Forthe sex chromosomes, females crickets are XX and malescrickets are XO, having just one X chromosome but noY chromosome. Can QTL for pulse rate be mapped oncricket X chromosomes? If the song is only sung by malecrickets, can the dominance effects of QTL on the X beestimated?Question 11 D Blue allele Chromosome Brown allele The color of pigeon feathers is a heritable trait that is controlled by different alleles of a single gene as represented in the figure, Blue feather color is dominant to brown feather color. Which of the following statements is true about pigeons with blue feathers and pigeons with brown feathers? They have identical DNA sequences in the feather-color gene. They have identical genotypes for the feather-color gene.
- Question 6: If individuals IV-4 and IV-5 mate and have a child, what is the probability that the child will have the genetic condition? Assume people mating into the pedigree do not carry the abnormal allele unless information given in the pedigree suggests otherwise. Write the probability as a fraction without any spaces, answers given as a decimal will be marked incorrect. (For example write your answer as 5/72 – note that is NOT the correct answer).Question 3. There are 100 students in a class. Ninety-six did well in the course whereas four blew it totally and received a grade of F. Sorry. In the highly unlikely event that these traits are genetic rather than environmental, if these traits involve dominant and recessive alleles, and if the four (4%) represent the frequency of the homozygous recessive condition, please calculate the following: A) The frequency of the recessive allele. B) The frequency of the dominant allele. C) The frequency of heterozygous individuals. Question 4 Within a population of butterflies, the colour brown (B) is dominant over the colour white (b). And, 40% of all butterflies are white. Given this simple information, which is something that is very likely to be on an exam, calculate the following: A) The percentage of butterflies in the population that are heterozygous. B) The frequency of homozygous dominant individuals. Question 5 A rather large population of organisms have 396 red-sided individuals…Which process creates recombinant chromosomes? Question 25 options: none of these independent assortment random fertilization crossing over
- Question: A cat shows yellow (O) as a dominant color to orange (o) color. A heterozygous yellow-bodied male cat mates with an orange-female. What are the possible genotypes and phenotypes of the offspring that result from this mating? Including a Punnett Square.Question: Red color (R) allele is dominant over blue color (r) for carnations (a type of flower). You will cross a heterozygous red carnation with a blue carnation. Show all your work filling out the required parts of the diagram. Then, select the correct statement below. (Picture below) 1. 75% red - 25% blue 75% heterozygous - 25% homozygous 2. 75% red - 25% blue 75% heterozygous - 25% homozygous 3. 50% red - 50% blue 50% heterozygous - 50% homozygous 4. 25% red - 75% blue 25% heterozygous - 75% homozygousQUESTION 43 Which of the following statements is true about linkage disequilibrium? a. D= -0.21 indicates that two loci are in greater LD than D= 0.15 b. New alleles are born into a population in LE with the surrounding loci c. Divergent populations that experience a sudden large migratory event will be immediately in LE after mixing. d. Selective sweeps occur randomly along chromosomes as a result of LE and LD alternating at regular intervals.