Monday, March 22, 2010

Genetic Diversity

+ Genetic Diversity- caused by the crossing over process in Prophase in meiosis. This is when there is a variety in the traits and how the offspring looks and acts.

+ A punnet square helps you see the variety in the genetic diversity.

+ This relates to the Reebop project because the offspring is VERY different from the parents. Although dots are dominant and your mom might have them, you might be "dotless".

PICTURE EXAMPLE LINK:
http://i31.photobucket.com/albums/c387/Guitartists/bluesplash.jpg

Sunday, March 7, 2010

Dear Past Jenni,
To help you learn about reproduction follow these pointers.
-- Punnett Squares; All the lower case letters are recessive and the capital letters are dominant. IF the combination is Yy, then it is a dominant trait.
-- Dihybrid Crossing; Dihybrid crossing is just a double punnett square. You have to do a combination of top row letters then side row letters.
-- Selective Breeding; Selective breeding is when you want certain traits from the parents to appear in the off-spring.
-- Incomplete; This is when two traits mix together to create a new species. A helpful example is flower colors.
Red + White= Pink
-- Co-Dominance; An example of co-dominance is camouflage or stripes. This is when there are two dominant traits present.
Two help you understand the last two terms, make a punnett square and try mentally breeding them. What happens if you breed dominant blue eyes with dominant Green eyes?
CO-DOMINANT
Hope these tips helped you out,
Jenni From the Future