'Nonhomologous chromosomes' diaporamas de présentation

Genome organization

Eukaryotic genomes are complex and DNA amounts and organization vary widely between species. . Genome organization. Genome Organization. G. C value paradox:. The amount of DNA in the haploid cell of an organism is not related to its evolutionary complexity or number of genes.

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Chapter 1 The Beginnings of Molecular Biology

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Drosophila Chromosomes

Drosophila Chromosomes. Outline. X-Linked Alleles Human X-Linked Disorders Gene Linkage Crossing-Over Chromosome Map Changes in Chromosome Number Changes in Chromosome Structure Human Syndromes. Chromosomal Inheritance. Humans are diploid (2 chromosomes of each type)

664 views • 38 slides

Structural Abnormalities

Structural Abnormalities. Deletions. Translocations. Inversions. Duplications. Deletions. Small or large. Mutation in one or many genes. Homozygosity or heterozygosity for each. Consequences for gene function. Deletions. Loss of chromosomal material Large-scale deletions are lethal

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LEQ: What can go wrong in this process

LEQ: What can go wrong in this process. 10.16. Mutations. A change in the nucleotide sequence of DNA Ultimate source of genetic diversity Gene vs. Chromosome. Gene Mutations.

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