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Questions and Answers
What is the main difference between asexual and sexual reproduction?
What is the main difference between asexual and sexual reproduction?
Which stage of sexual reproduction results in the fusion of a sperm and an egg cell?
Which stage of sexual reproduction results in the fusion of a sperm and an egg cell?
What is the main characteristic of R-Selection reproductive strategy?
What is the main characteristic of R-Selection reproductive strategy?
Which organ is part of the male reproductive system?
Which organ is part of the male reproductive system?
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What is the purpose of the menstrual cycle?
What is the purpose of the menstrual cycle?
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Which reproductive technology involves fertilization of an egg cell outside the body?
Which reproductive technology involves fertilization of an egg cell outside the body?
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What is the process of cell division that produces gametes with half the number of chromosomes as the parent cell?
What is the process of cell division that produces gametes with half the number of chromosomes as the parent cell?
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What is the term for a woman carrying a pregnancy to term for another person or couple?
What is the term for a woman carrying a pregnancy to term for another person or couple?
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Study Notes
Reproduction in Biology
Types of Reproduction
- Asexual Reproduction: a single parent produces offspring that are genetically identical to the parent, e.g., binary fission in bacteria, budding in yeast
- Sexual Reproduction: two parents produce offspring that combine genetic material from both parents, e.g., humans, animals, plants
Sexual Reproduction Stages
- Meiosis: the process of cell division that produces gametes (sperm or egg cells) with half the number of chromosomes as the parent cell
- Gametogenesis: the development of gametes from immature cells
- Fertilization: the fusion of a sperm and an egg cell to form a zygote
- Embryogenesis: the development of a zygote into a multicellular organism
Reproductive Strategies
- R-Selection: producing many offspring with minimal parental investment, e.g., fish, insects
- K-Selection: producing few offspring with high parental investment, e.g., humans, birds
Human Reproduction
- Male Reproductive System: consists of testes, epididymis, vas deferens, prostate gland, urethra, and penis
- Female Reproductive System: consists of ovaries, fallopian tubes, uterus, and vagina
- Menstrual Cycle: the monthly cycle of ovulation, fertilization, and preparation for pregnancy in females
Reproductive Technologies
- In Vitro Fertilization (IVF): fertilization of an egg cell outside the body
- Artificial Insemination (AI): insertion of sperm into the female reproductive tract
- Surrogacy: a woman carries a pregnancy to term for another person or couple
Reproduction in Biology
Types of Reproduction
- Asexual reproduction involves a single parent producing offspring that are genetically identical to the parent.
- Examples of asexual reproduction include binary fission in bacteria and budding in yeast.
- Sexual reproduction involves two parents producing offspring that combine genetic material from both parents.
- Examples of sexual reproduction include humans, animals, and plants.
Sexual Reproduction Stages
- Meiosis is the process of cell division that produces gametes with half the number of chromosomes as the parent cell.
- Gametogenesis is the development of gametes from immature cells.
- Fertilization is the fusion of a sperm and an egg cell to form a zygote.
- Embryogenesis is the development of a zygote into a multicellular organism.
Reproductive Strategies
- R-Selection involves producing many offspring with minimal parental investment, often seen in fish and insects.
- K-Selection involves producing few offspring with high parental investment, often seen in humans and birds.
Human Reproduction
- The male reproductive system consists of testes, epididymis, vas deferens, prostate gland, urethra, and penis.
- The female reproductive system consists of ovaries, fallopian tubes, uterus, and vagina.
- The menstrual cycle is the monthly cycle of ovulation, fertilization, and preparation for pregnancy in females.
Reproductive Technologies
- In Vitro Fertilization (IVF) involves fertilization of an egg cell outside the body.
- Artificial Insemination (AI) involves insertion of sperm into the female reproductive tract.
- Surrogacy involves a woman carrying a pregnancy to term for another person or couple.
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Description
Learn about the types of reproduction, including asexual and sexual reproduction, and the stages of sexual reproduction, such as meiosis. Understand the basics of biology reproduction.
