Genetics and Human Reproduction
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Questions and Answers

What is the primary cause of genetic conditions?

  • Dietary choices
  • Infections during pregnancy
  • Mutations in genes (correct)
  • Environmental factors
  • The male reproductive system produces both sperm and hormones, whereas the female reproductive system only produces eggs.

    False

    What is the hormonal event that triggers puberty?

    Increased production of gonadotropin-releasing hormone (GnRH)

    The ______ is a structure that nourishes the fetus during pregnancy.

    <p>placenta</p> Signup and view all the answers

    Match the following signs of pregnancy with their descriptions:

    <p>Missed period = Indicates a halt in the menstrual cycle often associated with early pregnancy Nausea = Commonly referred to as morning sickness, typically occurs in early pregnancy Breast tenderness = Physical sensitivity of the breasts often experienced during pregnancy Frequent urination = Increased need to urinate, a common symptom as the pregnancy progresses</p> Signup and view all the answers

    Which of the following methods is considered a permanent form of contraception?

    <p>Vasectomy</p> Signup and view all the answers

    Tubal ligation is a method of contraception that is performed on males.

    <p>False</p> Signup and view all the answers

    Define heredity.

    <p>Heredity is the passing of traits from parents to offspring.</p> Signup and view all the answers

    The __________ is a contraceptive method that can be used by both males and females.

    <p>Condom</p> Signup and view all the answers

    Match the contraceptive methods with their descriptions.

    <p>Oral contraceptive pill = Hormonal method taken daily Contraceptive injections = Hormonal method administered every few months Intrauterine Device (IUD) = Device inserted into the uterus Natural family planning = Method based on tracking fertility indicators</p> Signup and view all the answers

    Which of the following is NOT a hormonal contraceptive method?

    <p>Condom</p> Signup and view all the answers

    Natural family planning involves the use of medications to prevent pregnancy.

    <p>False</p> Signup and view all the answers

    What is a clone?

    <p>A clone is an organism that is genetically identical to another organism.</p> Signup and view all the answers

    Study Notes

    Genetic Conditions

    • Genetic conditions are caused by changes in DNA
    • Carcinogens are substances that cause cancer
    • Sex-linked genes are located on sex chromosomes (X and Y)
    • Males are more likely to express recessive X-linked traits

    Puberty

    • Puberty is a period of physical changes that lead to sexual maturity
    • Hormones (e.g., FSH and testosterone) trigger puberty
    • Gonads (testes in males, ovaries in females) are the primary reproductive organs

    Male Reproduction

    • Sperm production occurs in the testes
    • Sperm maturation and storage occur in the epididymis and vas deferens
    • Seminal fluid is created by accessory glands
    • Sperm count varies per ejaculate

    Female Reproduction

    • Ovary produces eggs (ova)
    • Hormonal changes (FSH, estrogen, progesterone) regulate egg maturation and ovulation
    • Follicle stimulating hormone (FSH) and estrogen are important for regulating female reproductive health

    Menstrual Cycle

    • A monthly cycle of hormonal changes in the female reproductive system
    • Hormones regulate follicle growth, ovulation, and uterine lining development
    • Menstruation is shedding of uterine lining if no fertilization occurs
    • Ovulation typically occurs mid-cycle

    Fertilization

    • Fusion of sperm and egg resulting in a zygote
    • Fertilization usually occurs in the fallopian tubes
    • The zygote develops into an embryo and implants in the uterine wall

    Pregnancy

    • Pregnancy involves development of a fetus in the uterus
    • Amniotic sac, placenta and umbilical cord support the developing fetus
    • Labor involves uterine contractions that push the fetus out of the body

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    Description

    This quiz explores key concepts in genetics, puberty, and human reproduction. Test your knowledge on genetic conditions, male and female reproductive systems, and the menstrual cycle. Understand the hormonal changes and processes involved in reproduction.

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