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Classify each of the following as sexual or asexual reproduction. Explain your reasoning for each answer.

a) An orange cat is crossed with a black cat in hopes of producing a tortoiseshell cat.

b) A cutting is taken from a red-flowered geranium and placed in water to develop roots. Once roots have grown, the new plant is placed in soil and grows to produce another red-flowered geranium.

c) A red-flowered geranium with dull leaves is bred with a white-flowered geranium with shiny leaves, with the goal of producing a red-flowered geranium with shiny leaves.

d) A male fish releases sperm cells into the water. One of the sperm cells unites with an egg from a female fish to form a new cell that grows into a new fish.

e) A small worm that lives in water splits in two, and each half grows to normal size. The head end grows a tail, and the tail end grows a head.

Answer :

Final answer:

In the scenarios provided, sexual reproduction involves the combination of genetic material from two parents, while asexual reproduction involves creating offspring without sexual fusion. Examples include cats breeding and fish fertilization as sexual reproduction, while geranium cuttings and worm fission are examples of asexual reproduction.


Explanation:

Classification of Reproduction

Reproduction can be classified into two primary categories: sexual reproduction and asexual reproduction. Understanding the differences between these forms is essential in biology. Below is the classification and explanation for each of the scenarios provided:

  1. a) An orange cat is crossed with a black cat in hopes of producing a tortoiseshell cat.
    Classification: Sexual reproduction.
    Explanation: This involves two parent organisms (the orange and black cats) contributing genetic material to produce offspring with varied traits, which is characteristic of sexual reproduction.
  2. b) A cutting is taken from a red-flowered geranium and placed in water to develop roots. Once roots have grown, the new plant is placed in soil and grows to produce another red-flowered geranium.
    Classification: Asexual reproduction.
    Explanation: The new geranium plant is genetically identical to the original plant and has been created without the fusion of gametes, fitting the definition of asexual reproduction.
  3. c) A red-flowered geranium with dull leaves is bred with a white-flowered geranium with shiny leaves, with the goal of producing a red-flowered geranium with shiny leaves.
    Classification: Sexual reproduction.
    Explanation: This scenario involves the interbreeding of two different parent plants to combine desirable traits, which is typical of sexual reproduction.
  4. d) A male fish releases sperm cells into the water. One of the sperm cells unites with an egg from a female fish to form a new cell that grows into a new fish.
    Classification: Sexual reproduction.
    Explanation: The fusion of sperm and egg creates a genetically unique offspring, characteristic of sexual reproduction.
  5. e) A small worm that lives in water splits in two, and each half grows to normal size. The head end grows a tail, and the tail end grows a head.
    Classification: Asexual reproduction.
    Explanation: The worm reproduces by dividing itself into two genetically identical parts, which is a common form of asexual reproduction.

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