SCI 227- Midterm Exam Guide - Comprehensive Notes for the exam ( 155 pages long!)
Document Summary
1 viable egg cell and 3 polar bodies in females. More or less adapted to an environment: mitosis. Is used to make 2 daughter nuclei. Used by all organisms to make body cells, tissues, and organs. Offspring produced in asexual reproduction have: less variation less adaptation if environment changes. Is the biochemical molecule that codes for traits. Every species has a characteristic number of chromosomes in the nucleus of somatic cells. The combination of dna and protein is called chromatin. The proteins play a role in gene regulation. There are two types: autosomes (do not determine gender, sex chromosomes (determine gender) Must duplicate before any type of cell division. Must be divided up evenly to create new cells. Describe what happens to a cell from the time it was made to when it divides in 2. It is a continuous process it does not pause. 11 iinntteerrpphhaassee ((iinntteerr-- mmeeaannss bbeettwweeeenn tthhee ssttaaggee bbeettwweeeenn mmiittoossiiss))
