AP Bio Ch. 15, part 1
Meiosis
CHROMOSOME VARIATION. VARIATION IN CHROMOSOME NUMBER.
WHY ARE THEY NECESSARY? SPECIALIZED SEX CELLS. Why do diploid organisms need to have specialized sex cells? Sex cells (gametes: sperm or egg) allow traits.
Cell Division Meiosis Cell Division Meiosis Abnormal Meiosis.
Meiosis & Sexual Reproduction. Remember that 1 chromosome is made when 2 chromatids join at the centromere. –These 2 chromatids are EXACT copies of each.
By Lisa Marie Meffert, PhD Rice University
Mutations Gene mutations occur within a gene and result in a change in the nucleotide sequence. Chromosomal mutations affect all or part of a chromosome.
Chromosomal Basis of Inheritance. Errors and Exceptions in Chromosomal Inheritance 1. Alterations of chromosome number or structure cause some genetic.
Genetic Disorders During Meiosis Karyotypes Genetic Technologies Lesson 3.
SPECIALIZED SEX CELLS
CHROMOSOME VARIATION
