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Quiz 2: Heredity and Genetics
  • 1. The father of Genetics is ______________________.
A) Pedro Calderon
B) Gregor Mendel
C) Albert Einstein
D) Bill Gates
  • 2. My favorite class is: _________________________.
A) Science
B) Health
C) Mathematics
D) Global History
  • 3. The genetic instructions that offspring receive are called: _________________.
A) nuclei
B) heredity
C) genes
D) cloning RNA
  • 4. The passing of genetic information from 1 generation to the next is called __________________.
A) genes
B) cloning RNA
C) heredity
D) nuclei
  • 5. Genes determine the characteristics or _____________________ each offspring will have.
A) nuclei
B) chromosomes
C) traits
D) cells
  • 6. The type of reproduction where only 1 parent is involved is called __________________ reproduction.
A) asexual
B) sexual
C) di-clonal
D) di-zygomatic
  • 7. Identical genetic copies are known as ____________________.
A) differents
B) clones
C) specials
D) Zack and Cody
  • 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) cloning
B) replication
C) reproduction
D) recombination
  • 10. Sections of DNA within a chromosome are called _______________________.
A) tripods
B) recombipods
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, T, B, K
D) A, G, H, B
  • 12. Which statement describes one characteristic of DNA?
A) Organic catalysts are made up of these molecules.
B) It is different in each cell of an organism.
C) Cell membranes contain many of these molecules.
D) It is the template for the replication of genetic information.
  • 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) may act as fertilizers, increasing the growth of algae in ponds
B) have been replaced by more toxic compounds
C) are capable of causing mutations in humans
D) interfere with the production of antibiotics by white blood cells
  • 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) D → B → C → A
B) A → B → C → D
C) C → B → D → A
D) B → A → C → D
  • 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) 30
C) 5
D) 20
  • 16. The sorting and recombining of genes during meiosis and fertilization usually leads to the production of
A) embryos with traits identical to those of all other members of the species
B) zygotes with the genetic information to produce only females
C) gametes with many copies of the same chromosome
D) offspring with some traits that did not appear in their parents
  • 17. Which situation would most likely produce a gene mutation in a squirrel?
A) The weather becomes wetter for a short period of time
B) The squirrel stops using its claws for digging
C) The squirrel is exposed to X-Ray radiation for several days
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) skin cell
B) sex cell
C) epididymis cell
D) scrotum cell
  • 19. During meiosis, crossing-over (gene exchange between chromosomes) may occur. Crossingover usually results in
A) variation within the species
B) overproduction of gametes
C) fertilization and development
D) the formation of identical offspring
  • 20. The reproductive system of the human male produces gametes and
A) releases hormones involved in external fertilization
B) transfers gametes to the female for internal fertilization
C) provides an area for fertilization
D) produces enzymes that prevent 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) acquiring too much knowledge in human genetics will discourage future research in that area
B) scientific explanations depend upon evidence collected from a single source
C) scientific inquiry involves the collection of information from a large number of sources
D) while science provides knowledge, values are essential to making ethical decisions using this knowledge
  • 22. When DNA separates into two strands, the DNA would most likely be directly involved in
A) replication
B) fertilization
C) evolution
D) differentiation
  • 23. The instructions for the traits of an organism are coded in the arrangement of
A) fat molecules in the cell membrane
B) glucose units in carbohydrate molecules
C) energy-rich bonds in starch molecules
D) bases in DNA in the nucleus
  • 24. Which statement is true regarding an alteration or change in DNA?
A) It is always known as a mutation.
B) It is always passed on to offspring.
C) It is always advantageous to an individual.
D) It is always detected by the process of chromatography.
  • 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) original genes of each twin increased in number as they developed
B) one twin received genes only from the mother while the other twin received genes only from the father
C) environments in which they were raised were different enough to affect the expression of their genes
D) environments in which they were raised were different enough to change the genetic makeup of both individuals
  • 26. In animals, the normal development of an embryo is dependent on
A) mitosis and the differentiation of cells after fertilization has occurred
B) fertilization of a mature egg by many sperm cells
C) production of body cells having half the number of chromosomes as the zygote
D) production of new cells having twice the number of chromosomes as the zygote
  • 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) selective breeding
B) meiotic division
C) cloning
D) recombinant DNA technology
  • 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) an amino acid
B) a starch molecule
C) a DNA molecule
D) an egg
  • 29. If I fail to give my Homeworks on time and complete my Quizzes with high grades, I will most likely
A) get really high grades
B) go to Summer School to learn more Science
C) receive an Ipod and an LX from my teacher
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) a different type of DNA that is produced when sunlight is present
B) the effect of environment on gene expression
C) the effect of sunlight on the number of chromosomes inherited
D) a different species of corn that is produced in sunlight
  • 31. What determines the kind of genes an organism possesses?
A) type of amino acids in the cells of the organism
B) shape of the protein molecules in the organelles of the organism
C) size of simple sugar molecules in the organs 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) gamete
B) placenta
C) stomach
D) ovary
  • 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) are of two different sexes
B) are twins
C) have the same parents
D) developed from more than one sperm cell
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