BIO 1123 MASTERY FINAL EXAM Questions with 100% Complete Solutions Latest Updates 2024 GRA, Exams of Nursing

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BIO 1123 MASTERY FINAL EXAM Questions

with 100% Complete Solutions Latest Updates

2024 GRADE A+

• Question 1 0 out of 1 points Melanin pigment can be present in which of the following eye colors? Selected Answer: brown Correct Answer: all of these
• Question 2 1 out of 1 points A method called _____ uses diagrams to group species based on their shared characteristics. Selected Answer: cladistics Correct Answer: cladistics
• Question 3 0 out of 1 points In allopatric speciation, daughter species usually form Selected Answer:

in the same homeland. Correct Answer: gradually over rather long periods of time.

• Question 4 1 out of 1 points The law of segregation Selected Answer: explains the behavior of a pair of alleles during meiosis. Correct Answer: explains the behavior of a pair of alleles during meiosis.
• Question 5 1 out of 1 points Which of the following statements is NOT true concerning Lamarck's theory of inheritance of acquired characteristics? Selected Answer: Nature selects the best adapted individuals to survive and reproduce. Correct Answer: Nature selects the best adapted individuals to survive and reproduce.
• Question 6 1 out of 1 points In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over spotted (s). If a red male was crossed with a black female to produce a red-spotted puppy, the genotypes of the parents (with male genotype first) would be Selected Answer: bb Ss Bb Ss. Correct Answer:

bb Ss Bb Ss.

• Question 7 0 out of 1 points A yellow Labrador retriever of the genotype AA ee was crossed with a brown retriever of the genotype aa EE. What would their F2 offspring look like? Selected Answer: all black Correct Answer: 9/16 black, 3/16 brown, 4/16 yellow
• Question 8 1 out of 1 points In radishes, red and white are the pure-breeding colors and long and round are the pure- breeding shapes, while the hybrids are purple and oval. The cross of a red long radish and a white round radish will produce an F2 generation in which Selected Answer: all of these are true. Correct Answer: all of these are true.
• Question 9 1 out of 1 points A dihybrid cross of two contrasting pure-breeding organisms Selected Answer: usually results in the disappearance of the recessive traits for the first generation. Correct Answer: usually results in the disappearance of the recessive traits for the first generation.

• Question 10 1 out of 1 points Short hair (L) is dominant to long hair (l). If a short-haired animal of unknown origin is crossed with a long-haired animal and they produce one long-haired and one short-haired offspring, the results would indicate that Selected Answer: the short-haired animal was heterozygous. Correct Answer: the short-haired animal was heterozygous.
• Question 11 1 out of 1 points An X-linked carrier is a Selected Answer: heterozygous female. Correct Answer: heterozygous female.
• Question 12 1 out of 1 points In Mendel's time, most people believed that Selected Answer: the characteristics of parents were blended in the offspring. Correct Answer: the characteristics of parents were blended in the offspring.
• Question 13 1 out of 1 points

Down syndrome involves trisomy Selected Answer:

Correct Answer:

• Question 14 1 out of 1 points Hybrid inviability is an example of what kind of isolation? Selected Answer: postzygotic Correct Answer: postzygotic
• Question 15 1 out of 1 points Children born to light-skinned women exposed to high levels of sunlight have a heightened risk of birth defects because Selected Answer: UV radiation breaks down folate. Correct Answer: UV radiation breaks down folate.
• Question 16 1 out of 1 points Which of the following may be influenced by the environment? Selected Answer: all of these

Correct Answer: all of these

• Question 17 1 out of 1 points Mutations that neither harm nor help an organism are called Selected Answer: neutral. Correct Answer: neutral.
• Question 18 1 out of 1 points A normal woman mated with a man with achondroplasia whose father was normal. What is the chance that this mating will produce offspring with achondroplasia? Selected Answer: 0.50 (50 percent) Correct Answer: 0.50 (50 percent)
• Question 19 1 out of 1 points Of 400 people who dwell on a Pacific island, 16 are homozygous recessive for a trait that has only two different types of alleles in the population. The number of heterozygous people is Selected Answer:

Correct Answer:

• Question 20 1 out of 1 points Selecting the Exception Four of the five answers listed below are portions of the theory of natural selection. Select the exception. Selected Answer: The largest and strongest always contribute more genes to the next generation. Correct Answer: The largest and strongest always contribute more genes to the next generation.
• Question 21 1 out of 1 points Selecting the Exception Four of the five answers listed below can function to isolate populations. Select the exception. Selected Answer: external fertilization Correct Answer: external fertilization
• Question 22 1 out of 1 points If tall (D) is dominant to dwarf (d), and two homozygous varieties DD and dd are crossed, then what kind of offspring will be produced? Selected Answer: all Dd

Correct Answer: all Dd

• Question 23 1 out of 1 points The study of body plans and structures among groups of organisms is called Selected Answer: comparative morphology. Correct Answer: comparative morphology.
• Question 24 1 out of 1 points Selecting the Exception Four of the five answers listed below are caused by recessive genes. Select the exception. Selected Answer: Huntington disorder Correct Answer: Huntington disorder
• Question 25 1 out of 1 points Which of the following terms best describes the concept that molten rock emanates from the edge of a plate on the Earth’s crust, pushing rock on the other side into a trench? Selected Answer:

plate tectonics Correct Answer: plate tectonics

• Question 26 1 out of 1 points In a certain bird species, clutch size (the number of eggs laid by a female in one breeding season) ranges from four to eight, and the most frequent clutch size is six. This phenomenon is an example of Selected Answer: stabilizing selection. Correct Answer: stabilizing selection.
• Question 27 1 out of 1 points The effectiveness of geographical barriers in promoting speciation is related to the Selected Answer: ability of the organisms to overcome the barrier. Correct Answer: ability of the organisms to overcome the barrier.
• Question 28 1 out of 1 points Alternative forms of a gene at a given locus are called Selected Answer: alleles. Correct Answer:

alleles.

• Question 29 1 out of 1 points According to Darwin, natural selection is based on the ____ found in populations. Selected Answer: variations Correct Answer: variations
• Question 30 0 out of 1 points What accounts for the fact that polydactylism is prevalent and Tay-Sachs disease is virtually absent in one human population in the United States, while Tay-Sachs disease is prevalent and polydactylism is virtually absent in another? Selected Answer: All of these. Correct Answer: There is little gene flow between the two populations.
• Question 31 0 out of 1 points A gene that produces multiple effects is called a(n) Selected Answer: multiple allele. Correct Answer: pleiotropic gene.

• Question 32 1 out of 1 points The rodenticide Warfarin kills rats by Selected Answer: all of these. Correct Answer: all of these.
• Question 33 1 out of 1 points In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over spotted (s). If Bb Ss were crossed with Bb ss, the chance that a black solid individual would be produced is Selected Answer: 3/8. Correct Answer: 3/8.
• Question 34 1 out of 1 points In Exhibit 13.4, linked genes are indicated by Selected Answer: none of these. Correct Answer: none of these.
• Question 35

1 out of 1 points A testcross involves Selected Answer: an F1 hybrid and an organism that is homozygous recessive for that trait. Correct Answer: an F1 hybrid and an organism that is homozygous recessive for that trait.

• Question 36 1 out of 1 points In humans, skin cell organelles called _____ produce pigment. Selected Answer: melanosomes Correct Answer: melanosomes
• Question 37 1 out of 1 points The convergence in external morphology of sharks, penguins, and porpoises is attributed to Selected Answer: selection pressures that are common to these groups. Correct Answer: selection pressures that are common to these groups.
• Question 38 1 out of 1 points

In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over spotted (s). If two heterozygotes (Bb Ss) were crossed, the most common phenotype would be Selected Answer: black and solid. Correct Answer: black and solid.

• Question 39 1 out of 1 points Selecting the Exception Four of the five answers below are used in describing species. Select the exception. Selected Answer: color Correct Answer: color
• Question 40 0 out of 1 points Which of the following is not an autosomal dominant genetic disorder? Selected Answer: Marfan syndrome Correct Answer: cystic fibrosis
• Question 41 1 out of 1 points

Changes in the Mississippi River caused by earthquakes are thought to have caused speciation by Selected Answer: allopatry. Correct Answer: allopatry.

• Question 42 1 out of 1 points The sex chromosome composition of a person with Klinefelter syndrome is Selected Answer: XXY. Correct Answer: XXY.
• Question 43 1 out of 1 points Red-green colorblindness is an X-linked recessive trait in humans. A colorblind woman and a man with normal vision have a son. What is the probability that the son is colorblind? Selected Answer: 100 percent Correct Answer: 100 percent
• Question 44 1 out of 1 points The sex chromosome composition of a person with Turner syndrome is

Selected Answer: XO. Correct Answer: XO.

• Question 45 1 out of 1 points Members of the same species would be expected to Selected Answer: share the same gene pool. Correct Answer: share the same gene pool.
• Question 46 1 out of 1 points Which of the following indicates homozygous genotypes? Selected Answer: AA and aa Correct Answer: AA and aa
• Question 47 1 out of 1 points In a pedigree chart, a male showing the specific trait being studied is indicated by a Selected Answer: darkened square. Correct Answer:

darkened square.

• Question 48 1 out of 1 points Selecting the Exception Four of the five answers listed below are types of selection exhibited by nature. Select the exception. Selected Answer: artificial Correct Answer: artificial
• Question 49 1 out of 1 points Which of the following does NOT belong to the protistans? Selected Answer: Archaea Correct Answer: Archaea
• Question 50 1 out of 1 points Truffles fall into what fungal group? Selected Answer: sac fungi Correct Answer: sac fungi

• Question 51 1 out of 1 points The feeding habits of lampreys are best described as Selected Answer: parasitic. Correct Answer: parasitic.
• Question 52 1 out of 1 points Sexual reproduction of the malaria parasite occurs in the ____ host. Selected Answer: mosquito Correct Answer: mosquito
• Question 53 1 out of 1 points Selecting the Exception The process of conjugation is described by four of the five statements below. Select the exception. Selected Answer: Following the passage of the plasmid to a new cell, the cell that made the sex pilus no longer passes its plasmid on to its descendents. Correct Answer: Following the passage of the plasmid to a new cell, the cell that made the sex pilus no longer passes its plasmid on to its descendents.

• Question 54 1 out of 1 points Which of the following is NOT caused by a virus? Selected Answer: botulism Correct Answer: botulism
• Question 55 1 out of 1 points Wings are found on Selected Answer: insects. Correct Answer: insects.
• Question 56 1 out of 1 points Which event during the Devonian period probably favored the transition of vertebrates to a land existence? Selected Answer: evolution of insects, which provided a food source Correct Answer: evolution of insects, which provided a food source
• Question 57 1 out of 1 points

An insecticide that kills crawling insects, but does not harm vertebrates, is produced from Selected Answer: diatoms. Correct Answer: diatoms.

• Question 58 1 out of 1 points Which of the following are photosynthetic? Selected Answer: both diatoms and brown algae Correct Answer: both diatoms and brown algae
• Question 59 1 out of 1 points Selecting the Exception Four of the five answers listed below are arthropods. Select the exception. Selected Answer: octopus Correct Answer: octopus
• Question 60 1 out of 1 points

Compared to earlier hominids, Homo sapiens had Selected Answer: all of these. Correct Answer: all of these.

• Question 61 1 out of 1 points Nematocysts are found only in Selected Answer: cnidarians. Correct Answer: cnidarians.
• Question 62 1 out of 1 points A radula is which of the following? Selected Answer: feeding organ Correct Answer: feeding organ
• Question 63 1 out of 1 points Selecting the Exception Four of the five answers listed below possess some type of coelom. Select the exception.

Selected Answer: flatworms Correct Answer: flatworms

• Question 64 0 out of 1 points The virus known as H1N1 (swine flu) is Selected Answer: easily transmitted from person to person and has a high death rate. Correct Answer: easily transmitted from person to person, but does not have a high death rate.
• Question 65 1 out of 1 points Nori, used to wrap sushi, is derived from Selected Answer: red algae. Correct Answer: red algae.
• Question 66 1 out of 1 points Sharks, rays, and skates belong to what group? Selected Answer: cartilaginous fish Correct Answer: cartilaginous fish