2005_campbl13(1)

2005_campbl13(1) - Important Point: Eukaryote chromosomes...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Chapter 13: Meiosis and Sexual Cycles Important Point: Asexual Reproduction Created by mitosis alone (awww, a little baby clone) Homologous Chromosome Pairs ± Eukaryote chromosomes come in pairs (homologues) ± Normal humans have 46 chromosomes in 23 pairs ± One chromosome of each pair comes from an individual’s mother, the other comes from their father ± Homologous chromosomes (chromosome pairs) carry genes that control the same Characters, e.g., eye color, blood type, flower color, height, etc. ± Homologous chromosomes have nearly identical structure, banding patterns, and nucleotide sequences ± Locus: Physical site on chromosomes where given gene is located ± Allele: Different forms of the same gene, e.g., A, B, or O blood-type alleles Diploidy Autosomes and Sex Chromosomes ± Autosomes: Found in both males and females In humans there are 22 pairs of autosomes Autosomes that are the same size (& structure) are called homologues ± Sex Chromosomes: Determine an individual’s
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

2005_campbl13(1) - Important Point: Eukaryote chromosomes...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online