eQuizShow
Genetics Review
Heredity
Question: The passing on of traits from an organism to its offspring is known as
a. biology.
b. animality.
c. heredity.
d. taxonomy.
Answer: c. heredity.
Question: Several babies were switched in a hospital nursery. The best way to correct the problem is to compare the mothers' and the babies'
a. eye color.
b. blood type.
c. fingerprints.
d. DNA.
Answer: d. DNA.
Question: Which of the following characteristics of a field mouse is most likely inherited from its parents?
a. torn ear
b. scar on its leg
c. brown fur
d. chipped tooth
Answer: c. brown fur
Question: _____ is the study of heredity.
a. Biology
b. Animality
c. Genetics
d. Taxonomy
Answer: c. Genetics
Question: Some traits found in living organisms are always shown whenever a single allele is present within the cells. What type of traits require two identical alleles in the cells to be shown? (7.14A)
a. Mutated traits
b. Duplicated traits
c. Separated traits
d. Recessive traits
Answer: d. Recessive traits
Asexual/Sexual Reproduction
Question: Sexual reproduction results in greater genetic diversity than asexual reproduction. What is the reason for this diversity? (7.14B)
a. The large number of gene combinations.
b. The individual genes are larger.
c. The genes are fewer in number.
d. The genes contain more information
Answer: a. the large number of gene combinations
Question: 15. A male and female are expecting their first offspring. Which of these best describes the characteristics of the offspring? (7.14B)
a. The offspring will have only the female's characteristics
b. The offspring will have only the male's characteristics
c. The offspring will have characteristics of both the male and female
d. The offspring will not have any characteristics of the female or male
Answer: c. the offspring will have characteristics of both the male and female
Question: 17. Why don’t you use a Punnett square to predict the traits of offspring from asexual reproduction? (7.14B)
a. offspring always have a 50% chance of inheriting traits from their parent
b. offspring have identical traits to their parent in asexual reproduction
c. predicting traits in asexual reproduction is too complex for a Punnett square
d. offspring traits are random and unpredictable in asexual reproduction
Answer: b. offspring have identical traits to their parent in asexual reproduction
Question: A bacteria cell can reproduce by dividing in half. Once the cell divides, there are two bacteria cells. Which of these is the best estimate of how genetically similar the two bacteria cells will be? (7.14B)
a. 0%
b. 25%
c. 50%
d. 100%
Answer: d. 100%
Question: Asexual reproduction results in… (7.14B)
a. fewer offspring
b. more numerous offspring
c. uniform offspring
d. diverse offspring
Answer: c. uniform offspring
Inherited Traits
Question: Genes that are stronger and mask other genes are said to be (7.14C)
a. Recessive.
b. Dominant.
c. Purebred.
d. Hybrid.
Answer: b. dominant.
Question: A twisted ladder is sometimes used to describe the shape of the genetic material called (7.14C)
a. nucleus.
b. DNA.
c. traits.
d. chromosomes.
Answer: b. DNA.
Question: If two purebred short plants are crossed (short is a recessive trait), all the offspring will be (7.14C)
a. Purebred short.
b. Purebred tall.
c. Hybrid short.
d. Hybrid tall.
Answer: a. purebred short.
Question: What governs or determines inherited traits? (7.14C)
a. Cells
b. Chromosomes
c. Genes
d. Nucleus
Answer: c. genes
Question: During sexual reproduction, dogs inherit traits from their parents. The information about an individual's traits is _____ (7.14C)
a. in the lipids in the cell membrane.
b. in the body's chemical enzymes.
c. In the body’s hormones
d. in the genes within the chromosomes.
Answer: d. in the genes within the chromosomes.
Part 2 Inherited Traits
Question: Genes that are stronger and mask other genes are said to be (7.14C)
a. Recessive.
b. Dominant.
c. Purebred.
d. Hybrid.
Answer: b. dominant.
Question: Why does a person who inherits an allele for curly hair and an allele for straight hair have curly hair? (7.14C)
a. The allele for curly hair is recessive
b. The allele for curly hair is dominant
c. The allele for straight hair is dominant
d. The allele for curly hair is inherited from both parents
Answer: b. the allele for curly hair is dominant
Question: Being able to roll your tongue is dominant over not being able to roll your tongue. Two parents are having a child, one parent is hybrid and the other cannot roll their tongue. What percentage chance does the offspring have of being able to roll their tongue? (7.14C)
a. 0%
b. 50%
c. 75%
d. 100%
Answer: b. 50%
Question: A certain plant can have either yellow or white flowers. The gene Y is the dominant gene for yellow flowers. The gene y is the recessive gene for white flowers. A plant has the genes Yy. What does this tell you about the plant? (7.14C)
a. It has a recessive gene for white flowers so it would have white flowers
b. It has a dominant gene for white flowers so it would have white flowers
c. It has a recessive gene for yellow flowers so it would have yellow flowers
d. It has a dominant gene for yellow flowers so it would have yellow flowers
Answer: d. It has a dominant gene for yellow flowers so it would have yellow flowers
Question: Genes determine whether or not you have dimples, what color eyes you have, and even your ability to roll your tongue. What is the role of a gene in inheritance? (7.14C)
a. The gene is a section of DNA that controls a trait that the organism inherits.
b. The gene contains chromosomes that show an organism’s traits
c. The gene has nerves that send messages to the brain controlling specific traits.
d. The gene gets messages from its cell about certain traits.
Answer: a. The gene is a section of DNA that controls a trait that the organism inherits.
Miscellaneous
Question: Living organisms can change through generations. Genes contain the various traits of offspring. Diverse offspring would be a result of which type of reproduction? (7.14B)
a. Budding
b. Binary fission
c. Sexual reproduction
d. Asexual reproduction
Answer: c. Sexual reproduction
Question: Sexual reproduction, results in genes that are not all the same because it _____ (7.14B)
a. is more complex.
b. involves combination of genes.
c. requires fewer genes.
d. produces more offspring.
Answer: b. involves combination of genes.
Question: A type of mushroom has a trait for having spots or not having spots. Having spots is dominant over not having spots. A purebred spotted mushroom is crossed with a purebred mushroom without spots. What percentage of the offspring would also be purebred? (7.14C)
a. 0%
b. 50%
c. 75%
d. 100%
Answer: a. 0%
Question: What characteristic can be found in the offspring of asexual reproduction? (7.14 B)
a. Genetic information from more than one parent
b. Genetic information that matches only one parent
c. Diverse appearance from siblings
d. Alleles from more than one parent
Answer: b. Genetic information that matches only one parent
Question: How is a recessive trait characterized? (7.14C)
a. Always inherited
b. Stronger than other traits
c. Shows itself when present
d. Expressed only with identical alleles
Answer: d. Expressed only with identical alleles