This preview shows page 1. Sign up to view the full content.
Unformatted text preview: e body divide constantly into two
• Sexual cells do NOT divide into two identical
cells, but into four different cells.
– A parent female cell produces 4 eggs of
which only one survives.
– A parent male cell produces 4 sperm, all of
which survive. 5 PSYC 2010 (Dr. Escobar) Chapter 3 (part I) - Evolution and genetics The process
some of the genetic
material crosses over
to the other
chromosome. Recombination Genetic variability of the offspring
• Recombination can occur at any level of the
chromosome = Each sperm and egg are
different from each other.
• Each sper...
View Full Document
- Fall '08