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How was reproduction explained before scientists knew about sex cells?
Before scientists discovered sex cells, reproduction was often thought to involve a mixture of fluids from both parents, with beliefs varying from the idea of a homunculus being present in the father's semen to the notion of "preformation" where miniature versions of offspring were already present in either the egg or sperm. These explanations were part of the theory of spontaneous generation and were eventually replaced by the theory of sexual reproduction with the discovery of sex cells.
Why do cells need to double their chromosomes before mitosis starts?
They are in need of reproduction.
Does DNA replication occure immediately before asexual reproduction before sexual reproduction or both?
Any form of biological reproduction, whether sexual or asexual, is going to involve the replication of DNA. You can't have new cells without new DNA.
What is the reproduction of all body cells called?
mitosis and the sexual reproduction of cells are called meiosis
Reproduction that results from two parent cells?
Sexual Reproduction
What is reproduction of male and female sex cells?
Asexual Reproduction
What are the kind of reproduction?
in cells, the reproduction involved is the MITOSIS AND MEIOSIS!!
Why might this kind of reproduction be easier than having only male cells or female cells?
pollenation is necessary for reproduction
Sexual reproduction is used in what?
sperm cells and egg cells
What is used in cell reproduction?
sperm cells and egg cells
Why cells undergo meiosis?
To create sex cells for reproduction
Why sexual reproduction also called germinal reproduction?
because sexual reproduction involves the germ cells
