Documents Lab Activity 35

Lab Activity 35 Embryology Portland Community College BI 233 Fertilization A sperm can survive for 48-72 hours in the female reproductive tract It takes about 10 hours to…

Documents Exercise 44 Embryology Portland Community College BI 233.

Exercise 44 Embryology Portland Community College BI 233 Zygote A zygote is formed when the nucleus of the sperm and ovum combine to create a cell with 23 pairs of chromosomes.…

Documents Lab Activity 35

Lab Activity 35 Embryology Portland Community College BI 233 Spermatogenesis * Oogenesis * Fertilization An egg must be fertilized within 12 to 24 hours of ovulation It takes…