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| 1.
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How many total phases are there in the process of meiosis? 2.a, 2.b |
| | A) | 4 |
| | B) | 8 |
| | C) | 10 |
| | D) | 16 |
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| 2.
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Meiosis takes place in ________. 2.a, 2.b |
| | A) | all plant cells |
| | B) | all animal cells |
| | C) | eukaryotes that reproduce sexually |
| | D) | prokaryotes that reproduce asexually |
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| 3.
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Which best describes an allele? 2.c, 2.d |
| | A) | forms of a gene with different information |
| | B) | a section of DNA that has information about a specific trait |
| | C) | all the observable traits of an organism |
| | D) | a model used to predict possible genotypes |
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| 4.
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Which human blood type is an example of codominance? 2.c, 2.d |
| | A) | B |
| | B) | A |
| | C) | AB |
| | D) | O |
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| 5.
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_____________ is the most common form of reproduction in eukaryotes. 2.a |
| | A) | Asexual reproduction |
| | B) | Sexual reproduction |
| | C) | Budding |
| | D) | Regeneration |
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| 6.
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Observable traits and all characteristics of an organism make up it's __________. 2.c, 2.d |
| | A) | pedigree |
| | B) | genotype |
| | C) | chromosomes |
| | D) | phenotype |
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| 7.
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Which term describes growth that replaces a missing part of an animal? 2.a |
| | A) | regeneration |
| | B) | budding |
| | C) | cloning |
| | D) | fission |
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| 8.
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Yeast and Hydra reproduce asexually in a process called _______, in which the new organism forms on the parent organism. 2.a |
| | A) | budding |
| | B) | cloning |
| | C) | cuttings |
| | D) | fission |
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| 9.
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If two alleles for a gene have different information, their genotype is called _________. 2.c, 2.d |
| | A) | dominant |
| | B) | homozygous |
| | C) | heterozygous |
| | D) | recessive |
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| 10.
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The passing of traits from parents to offspring is called ________. 2.c |
| | A) | DNA |
| | B) | heredity |
| | C) | fertilization |
| | D) | genetics |
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| 11.
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Which is a model used to predict possible genotypes and phenotypes of offspring? 2.c, 2.d |
| | A) | pedigree tree |
| | B) | DNA profile |
| | C) | gene therapy |
| | D) | Punnett square |
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| 12.
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How do people acquire genetic disorders? 2.c, 2.d |
| | A) | Genetic disorders are caused by exposure to nuclear radiation. |
| | B) | Genetic disorders are spread by bacteria in the air. |
| | C) | Genetic disorders are caused by poor eating habits. |
| | D) | Genetic disorders are inherited from parents. |
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| 13.
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Which is a seedless plant found on Earth today? 2.a |
| | A) | grape vine |
| | B) | apple tree |
| | C) | moss |
| | D) | redwood tree |
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| 14.
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Which of the following is NOT a way that pollen can reach the female reproductive structures of a plant? 5.f |
| | A) | wind |
| | B) | spores |
| | C) | gravity |
| | D) | animals |
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| 15.
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Which describes the accomplishment of Gregor Mendel? 2.c, 2.d |
| | A) | He recorded evidence that an organism's traits are determined by factors passed from parents to offspring. |
| | B) | He was the first scientist to clone a sheep. |
| | C) | He discovered that genes are found on chromosomes in the cell's nucleus. |
| | D) | He discovered the shape of DNA. |
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| 16.
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How were Mendel's plant-breeding methods unique? 2.c, 2.d |
| | A) | He used a microscope to look at plants' genes. |
| | B) | He studied only one generation. |
| | C) | He studied many different species of plants and averaged the data. |
| | D) | He used mathematical methods to analyze large data sets. |
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| 17.
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If a pea plant with purple flowers is bred with a pea plant with white flowers, the offspring always has purple flowers. You can infer that the purple color is ___________. 2.c, 2.d |
| | A) | blended |
| | B) | dominant |
| | C) | inherited |
| | D) | recessive |
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| 18.
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Which describes Mendel's work? 2.d |
| | A) | It is not important in the modern study of genetics. |
| | B) | It made him famous immediately. |
| | C) | It was rediscovered after 35 years. |
| | D) | It confirmed earlier scientists' discovery of chromosomes. |
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| 19.
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What is an advantage of sexual reproduction? 2.a |
| | A) | It results in genetic variation of offspring. |
| | B) | It produces identical offspring. |
| | C) | It requires only one parent. |
| | D) | All members of the species have the same genes. |
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| 20.
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What is a disadvantage of sexual reproduction? 2.a |
| | A) | Members of the species grow, develop, and reproduce quickly. |
| | B) | It produces genetically different offspring. |
| | C) | It requires only one parent. |
| | D) | It can be difficult to get egg and sperm together for fertilization. |
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| 21.
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Which is the result of fertilization? 2.a |
| | A) | egg |
| | B) | zygote |
| | C) | meiosis |
| | D) | sperm |
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| 22.
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Mendel used which type of plants for his research? 2.c, 2.d |
| | A) | morning glory |
| | B) | day lilies |
| | C) | pea plant |
| | D) | pepper plant |
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| 23.
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Which is a part of the male reproductive organ of an angiosperm? 2.a, 5.f |
| | A) | anther |
| | B) | stigma |
| | C) | ovary |
| | D) | style |
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| 24.
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Which are more likely to have X-linked recessive conditions? 2.c, 2.d |
| | A) | people under the age of 20 |
| | B) | females |
| | C) | people over the age of 65 |
| | D) | males |
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| 25.
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Daughter cells of plants that are produced from haploid structures are called __________. 2.a |
| | A) | seeds |
| | B) | zygotes |
| | C) | pollen grains |
| | D) | spores |
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| 26.
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Which statement describes mitosis? 2.b |
| | A) | produces genetically identical daughter cells |
| | B) | the nucleus divides twice |
| | C) | produces sperm and egg cells |
| | D) | produces four daughter cells |
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| 27.
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What is the method of sexual reproduction developed by scientists and performed in laboratories? 2.a |
| | A) | budding |
| | B) | cloning |
| | C) | regeneration |
| | D) | fission |
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| 28.
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What do circles represent on a pedigree tree? 2.c, 2.d |
| | A) | sons |
| | B) | males |
| | C) | females |
| | D) | fathers |
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| 29.
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Which statement describes an angiosperm? 2.a |
| | A) | It has flowers and seeds. |
| | B) | It reproduces asexually. |
| | C) | The flowers are the female reproductive organs and the leaves are the male reproductive organs. |
| | D) | Its female reproductive organ is called the stamen. |
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| 30.
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Which is NOT a characteristic of the plants Mendel chose to study? 2.d |
| | A) | They come in many varieties. |
| | B) | They are easy to grow. |
| | C) | They reproduce quickly. |
| | D) | They reproduce asexually. |
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