Review For Test 3.6

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Quizzes Created: 1 | Total Attempts: 212
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  • 1/15 Questions

    The allele you use a lower case for is a ____

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About This Quiz

Review for Test 3.6 assesses understanding of plant biology, genetics, and reproduction. It covers concepts like plant structure, genetic traits, asexual reproduction, and heredity. This quiz is designed to test comprehension of basic genetic principles and plant biology.

Review For Test 3.6 - Quiz

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  • 2. 

     ________ is the genetic material. Hint: It can be found in the nucleus!

    Explanation
    DNA is the genetic material because it can be found in the nucleus. DNA, or deoxyribonucleic acid, is a molecule that carries the genetic instructions used in the development and functioning of all living organisms. It contains the genetic information that determines an organism's traits and characteristics. DNA is located in the nucleus of eukaryotic cells, where it is organized into structures called chromosomes. It is responsible for the transmission of hereditary information from one generation to the next, making it the genetic material.

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  • 3. 

    Which trait is most likely determined by genes?

    • How old a person is

    • What a person likes to eat

    • If a person had dimples

    • When a person wakes up

    Correct Answer
    A. If a person had dimples
    Explanation
    Dimples are a physical trait that is most likely determined by genes. Dimples are indentations in the skin, typically on the cheeks, and they are caused by a variation in the facial muscle structure. This trait is inherited from parents and is determined by specific genes. Therefore, if a person had dimples, it is highly likely that it is due to their genetic makeup rather than other factors such as age, food preferences, or waking up habits.

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  • 4. 

    If a coin is tossed 10 times, what is the probability that it will land on heads? (answer is a percent)

    • 5 Times

    • 100%

    • 50 Times

    • 50%

    Correct Answer
    A. 50%
    Explanation
    The probability of a coin landing on heads is always 50% because there are only two possible outcomes - heads or tails. Each toss is independent of the previous tosses, so the probability remains the same for each toss. Therefore, regardless of the number of times the coin is tossed, the probability of it landing on heads is always 50%.

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  • 5. 

    The plant species is identical to it's parent. This plant was produced by sexual reproduction. 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The plant is identical therefore it was asexual reproduction.

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  • 6. 

    What is considered to be learned trait? 

    • Tongue rolling

    • Hair color

    • Widows Peak

    • Speaking English

    Correct Answer
    A. Speaking English
    Explanation
    A learned trait refers to a characteristic or behavior that is acquired through education, experience, or practice. While hair color and widows peak are genetic traits that are inherited, tongue rolling is also considered to be a genetic trait that some individuals possess while others do not. On the other hand, speaking English is a learned trait as it is acquired through language acquisition and education.

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  • 7. 

    When an organism has two different alleles for a trait they are said to be ________________. 

    • Homozygous

    • Heterozygous

    • Short

    • Purebred

    Correct Answer
    A. Heterozygous
    Explanation
    When an organism has two different alleles for a trait, they are said to be heterozygous. Heterozygous means that the organism carries two different versions of a gene for a particular trait. This can result in a variety of phenotypes depending on the dominance or recessiveness of the alleles. In contrast, homozygous organisms have two identical alleles for a trait, while the terms "short" and "purebred" do not specifically describe the presence of different alleles for a trait.

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  • 8. 

    If a pea plant has a gray seed coat color, is that the pea plants phenotype or genotype?

    • Genotype

    • Phenotype

    Correct Answer
    A. Phenotype
    Explanation
    The given correct answer is "Phenotype." In genetics, phenotype refers to the observable physical characteristics or traits of an organism, such as its appearance, behavior, or biochemical properties. In this case, the gray seed coat color of the pea plant is an observable physical trait, making it a part of the plant's phenotype. Genotype, on the other hand, refers to the genetic makeup or combination of alleles that an organism possesses, which may or may not be directly observable.

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  • 9. 

    If Tall is the dominant trait (TT) and short is the recessive trait what letter(s) do you represent a short plant with?

    • Ss

    • SS

    • T

    • Tt

    Correct Answer
    A. Tt
    Explanation
    The letter "t" represents a short plant with the recessive trait. In this scenario, "T" represents the dominant trait for tall plants, while "t" represents the recessive trait for short plants. Since the question asks for the letter(s) that represent a short plant, "tt" is the correct answer as it represents two copies of the recessive trait.

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  • 10. 

    Genes, Chromosomes and the Nucleus are involved in determining traits. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Genes, chromosomes, and the nucleus are indeed involved in determining traits. Genes are segments of DNA that contain instructions for building proteins, which ultimately determine an organism's traits. Genes are located on chromosomes, which are structures found in the nucleus of cells. The nucleus houses the genetic material, including the chromosomes, and is responsible for regulating gene expression. Therefore, it is true that genes, chromosomes, and the nucleus play a crucial role in determining traits.

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  • 11. 

    Please check all of the following that are considered examples of asexual reproduction?

    • Hydra

    • Potato

    • Starfish

    • Giraffe

    • A cloned Sheep

    • A cutting of a plant

    • E- Coli Bacteria

    Correct Answer(s)
    A. Hydra
    A. Potato
    A. Starfish
    A. A cloned Sheep
    A. A cutting of a plant
    A. E- Coli Bacteria
    Explanation
    All are except the Giraffe, which is sexual reproduction: Hydra (Budding), Potato (Budding), Starfish (Regeneration/Fragmentation), Cloned Sheep (Cloning), Cutting of a plant (Vegetation Propagation), E- Coli Bacteria (Binary Fission)

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  • 12. 

    Black hair is dominant to blond. If a homozygous dominant male and a heterozygous female had a child, what are the genotypes of the offspring? 

    • BB, Bb, BB,Bb

    • BB,bb,bb,BB

    • BB,BB,Bb,Bb

    • BB,BB,BB,BB,Bb

    Correct Answer
    A. BB,BB,Bb,Bb
    Explanation
    The question states that black hair is dominant to blond hair. A homozygous dominant male (BB) has two copies of the dominant allele for black hair, while a heterozygous female (Bb) has one dominant allele for black hair and one recessive allele for blond hair. When they have a child, the child can inherit either the dominant allele (B) or the recessive allele (b) from each parent. Therefore, the possible genotypes of the offspring are BB, BB, Bb, and Bb.

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  • 13. 

    What is the term for a form of a gene?

    • Trait

    • Allele

    • Genotype

    • Heredity

    Correct Answer
    A. Allele
    Explanation
    An allele is the term used to describe a form of a gene. Genes are made up of DNA and carry the instructions for producing specific traits. Each gene can have different versions or forms, and these are called alleles. Alleles can vary in their DNA sequence and can result in different traits or characteristics. Therefore, allele is the correct term for a form of a gene.

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  • 14. 

    A Punnett Square shows all the possible combinations of what?

    • Genes

    • Alleles

    • Coin Tosses

    • Probabiltiy

    Correct Answer
    A. Alleles
    Explanation
    A Punnett Square shows all the possible combinations of alleles. Alleles are alternative forms of a gene that can occupy the same position on a chromosome. They determine specific traits or characteristics in an organism. By using a Punnett Square, one can visualize the different allele combinations that can occur during genetic inheritance, helping to predict the probability of certain traits being passed on to offspring.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 21, 2017
    Quiz Created by
    Natalie321
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