campbl13 - Chromosomes vs. Chromatin Chromosomes Chromatin...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Chromosomes vs. Chromatin Chromosomes Tightly packaged DNA Found only during cell division DNA is not being used for macromolecule synthesis Chromatin Unwound DNA Found throughout Interphase DNA is being used for macromolecule synthesis
Background image of page 1

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

View Full DocumentRight Arrow Icon
Gene Representations
Background image of page 2
Gene Representations
Background image of page 3

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

View Full DocumentRight Arrow Icon
Loci (sing. Locus) & Alleles
Background image of page 4
Homologous Chromosome Pairs Eucaryote 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
Background image of page 5

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

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/03/2011 for the course BIO 113 taught by Professor Swenson during the Spring '08 term at Ohio State.

Page1 / 25

campbl13 - Chromosomes vs. Chromatin Chromosomes Chromatin...

This preview shows document pages 1 - 6. Sign up to view the full document.

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