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Quiz 2: Heredity and Genetics
  • 1. The father of Genetics is ______________________.
A) Gregor Mendel
B) Pedro Calderon
C) Bill Gates
D) Albert Einstein
  • 2. My favorite class is: _________________________.
A) Mathematics
B) Health
C) Global History
D) Science
  • 3. The genetic instructions that offspring receive are called: _________________.
A) heredity
B) cloning RNA
C) nuclei
D) genes
  • 4. The passing of genetic information from 1 generation to the next is called __________________.
A) cloning RNA
B) heredity
C) nuclei
D) genes
  • 5. Genes determine the characteristics or _____________________ each offspring will have.
A) nuclei
B) chromosomes
C) cells
D) traits
  • 6. The type of reproduction where only 1 parent is involved is called __________________ reproduction.
A) di-clonal
B) sexual
C) di-zygomatic
D) asexual
  • 7. Identical genetic copies are known as ____________________.
A) differents
B) clones
C) Zack and Cody
D) specials
  • 8. The sex cells produced by the male are called ____________________.
A) sperm
B) gonads
C) testes
D) ovaries
  • 9. When a sperm and egg combine to form a new cell with a complete set of genetic instructions, a unique combination of genes results called genetic ________________________.
A) reproduction
B) recombination
C) cloning
D) replication
  • 10. Sections of DNA within a chromosome are called _______________________.
A) recombipods
B) tripods
C) superunits
D) genes
  • 11. The 4 bases of Nitrogen in DNA are _____________________________.
A) A, T, C, G
B) A, C, D, B
C) A, G, H, B
D) A, T, B, K
  • 12. Which statement describes one characteristic of DNA?
A) Organic catalysts are made up of these molecules.
B) It is the template for the replication of genetic information.
C) Cell membranes contain many of these molecules.
D) It is different in each cell of an organism.
  • 13. Researchers have found that formaldehyde and asbestos can alter DNA base sequences. Based on this research, the use of these chemicals has been greatly reduced because they
A) are capable of causing mutations in humans
B) have been replaced by more toxic compounds
C) interfere with the production of antibiotics by white blood cells
D) may act as fertilizers, increasing the growth of algae in ponds
  • 14. Sexual reproduction involves the following processes: A. Differentiation, B. Fertilization, C. Gamete production, and D. Mitosis
    Which sequence represents the order in which these processes occur?
A) A → B → C → D
B) B → A → C → D
C) C → B → D → A
D) D → B → C → A
  • 15. A new alien lifeform has 10 chromosomes in each of its gametes. How many chromosomes are normally found in each of its body cells?
A) 15
B) 20
C) 30
D) 5
  • 16. The sorting and recombining of genes during meiosis and fertilization usually leads to the production of
A) offspring with some traits that did not appear in their parents
B) embryos with traits identical to those of all other members of the species
C) zygotes with the genetic information to produce only females
D) gametes with many copies of the same chromosome
  • 17. Which situation would most likely produce a gene mutation in a squirrel?
A) The squirrel is exposed to X-Ray radiation for several days
B) The squirrel stops using its claws for digging
C) The weather becomes wetter for a short period of time
D) Oak trees gradually become less common
  • 18. A sudden change in the DNA of a chromosome can usually be passed on to future generations if the change occurs in a
A) scrotum cell
B) skin cell
C) epididymis cell
D) sex cell
  • 19. During meiosis, crossing-over (gene exchange between chromosomes) may occur. Crossingover usually results in
A) the formation of identical offspring
B) variation within the species
C) overproduction of gametes
D) fertilization and development
  • 20. The reproductive system of the human male produces gametes and
A) produces enzymes that prevent fertilization
B) transfers gametes to the female for internal fertilization
C) provides an area for fertilization
D) releases hormones involved in external fertilization
  • 21. A great deal of information can now be obtained about the future health of people by examining the genetic makeup of their cells. There are concerns that this information could be used to deny an individual health insurance or employment. These concerns best illustrate that
A) scientific inquiry involves the collection of information from a large number of sources
B) scientific explanations depend upon evidence collected from a single source
C) while science provides knowledge, values are essential to making ethical decisions using this knowledge
D) acquiring too much knowledge in human genetics will discourage future research in that area
  • 22. When DNA separates into two strands, the DNA would most likely be directly involved in
A) differentiation
B) fertilization
C) replication
D) evolution
  • 23. The instructions for the traits of an organism are coded in the arrangement of
A) bases in DNA in the nucleus
B) glucose units in carbohydrate molecules
C) fat molecules in the cell membrane
D) energy-rich bonds in starch molecules
  • 24. Which statement is true regarding an alteration or change in DNA?
A) It is always advantageous to an individual.
B) It is always passed on to offspring.
C) It is always detected by the process of chromatography.
D) It is always known as a mutation.
  • 25. Scientific studies show that identical twins who were separated at birth and raised in different homes may vary in height, weight, and intelligence. The most probable explanation for these differences is that (think Zack and Cody)
A) one twin received genes only from the mother while the other twin received genes only from the father
B) environments in which they were raised were different enough to change the genetic makeup of both individuals
C) environments in which they were raised were different enough to affect the expression of their genes
D) original genes of each twin increased in number as they developed
  • 26. In animals, the normal development of an embryo is dependent on
A) fertilization of a mature egg by many sperm cells
B) production of body cells having half the number of chromosomes as the zygote
C) production of new cells having twice the number of chromosomes as the zygote
D) mitosis and the differentiation of cells after fertilization has occurred
  • 27. Individual cells can be isolated from a mature plant and grown with special mixtures of growth hormones to produce a number of genetically
    identical plants. This process is known as
A) cloning
B) selective breeding
C) recombinant DNA technology
D) meiotic division
  • 28. If a set of instructions that determines all of the characteristics of an organism is compared to a book, and a chromosome is compared to a chapter in the book, then what might be compared to a paragraph in the book?
A) a DNA molecule
B) an egg
C) a starch molecule
D) an amino acid
  • 29. If I fail to give my Homeworks on time and complete my Quizzes with high grades, I will most likely
A) go to Summer School to learn more Science
B) receive an Ipod and an LX from my teacher
C) get really high grades
D) join the Superintendent's list for best student performance
  • 30. In a particular variety of corn, the kernels turn red when exposed to sunlight. In the absence of sunlight, the kernels remain yellow. Based on this information, it can be concluded that the color of these corn kernels is due to
A) the effect of sunlight on the number of chromosomes inherited
B) the effect of environment on gene expression
C) a different species of corn that is produced in sunlight
D) a different type of DNA that is produced when sunlight is present
  • 31. What determines the kind of genes an organism possesses?
A) type of amino acids in the cells of the organism
B) size of simple sugar molecules in the organs of the organism
C) shape of the protein molecules in the organelles of the organism
D) sequence of the subunits A, T, C, and G in the DNA of the organism
  • 32. The structure that makes nutrients most directly available to a human embryo is the
A) ovary
B) placenta
C) gamete
D) stomach
  • 33. From a single monkey, an animal breeder claims that he has successfully cloned two monkeys. He displays the two monkeys, a male and a female, to the public. The claim of the breeder should be rejected because the monkeys
A) developed from more than one sperm cell
B) have the same parents
C) are of two different sexes
D) are twins
参加了这次测试的学生也参加了 :
DARWIN and Origin of Species/ Animal Variations
Genetics
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