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Sexual Reproduction
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Slide 1

Quick Review

Quick Review

Meiosis - division of cells which results in the production of gametes

Gametes - also known as sex cells, germ cells, or spores; cells of sexual reproduction, which contain only half the chromosomes of a normal cell highered.mcgraw-hill.com/sites/0072549238/

student_view0/glossary.html

Chromosomes - Threadlike bodies found in the nucleus, or center part, of a cell that carry the information of heredity. www.sharedexperience.org/Glossary.lasso

Slide 2

Sexual Reproduction

Sexual Reproduction

Definition:

Process in which two cells, termed gametes, come together to form one fertilized cell that contains genetic information from both parental cells. ucbiotech.org/glossary/

Production of offspring whose genetic constitution is a mixture of that of two potentially genetically different gametes. evolution.unibe.ch/teaching/GlossarE.htm

Slide 3

Q: How many of you have more than one parent?

Q: How many of you have more than one parent?

then, everyone in this room is a product of sexual reproduction

AnimationFactory.com

Slide 4

Characteristics of Sexual Reproduction

Characteristics of Sexual Reproduction

Requires a female and male parent (i.e. it takes two to tango)

Slide 5

Q: Why do we need more than 1 parent?

Q: Why do we need more than 1 parent?

½ + ½ = 1

Slide 6

Characteristics of Sexual Reproduction

Characteristics of Sexual Reproduction

Requires a female and male parent

Each parent donates ½ of the Chromosomes/Genes/DNA

Slide 7

So, by what weve discussed, in sexual reproduction mom donates half, and dad donates half. How does this happen?

So, by what weve discussed, in sexual reproduction mom donates half, and dad donates half. How does this happen?

Slide 8

Characteristics of Sexual Reproduction

Characteristics of Sexual Reproduction

Requires a female and male parent

Each parent donates ½ of the Chromosomes/Genes/DNA

Requires fertilization - the combining of gametes

Slide 9

Now, nine months later, you come out kicking and screaming (and dancing). To which parent do you look exactly alike? How about your siblings? Do you look exactly alike them?

Now, nine months later, you come out kicking and screaming (and dancing). To which parent do you look exactly alike? How about your siblings? Do you look exactly alike them?

Take a moment to write down one trait that is different and in what way it is different.

*Dancing baby graphics and music courtesy of MegaBaby.com*

Slide 10

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