1. LEARNING OBJECTIVES: 1. Understanding variation in organisms 2. Understanding the causes of variation 3. Being respectful towards one another despite variation VARIATION…

1.  As a rule, the cells of all organisms contain aconstant number of chromosomes that havemaintained a constant structure throughoutdevelopment. Major exceptions to…

1. PLOIDIESMEIOSIS AND MENDELHS BIOLOGY 30.3.13 2. PLOIDY AND YOU DIPLOID CELLS (2N) HAPLOID CELLS (N) Mitosis produces Meiosis produces diploid cells, which haploid cells,…

Slide 1D2 SPECIES AND SPECIATION Slide 2 Assessment Statements Define allele frequency State that evolution involves a change in allele frequency in a population’s gene…

Slide 1Chromosome [email protected] Slide 2 What Exactly is a chromosome? Chromosomes are the rod-shaped, filamentous bodies present in the nucleus, which…

Slide 1Abnormal meiosis Sometimes mistakes occur during meiosis –Segments of chromosome (block of genes) can be lost or added – chromosome mutation / aberration –Cell…

Slide 1 28 February, 2005 Chapter 11 Chromosome Mutations Variation in chromosome number and structure Slide 2 Overview Multiples of complete sets of chromosomes are called…

Slide 1 UNDERSTANDING HEREDITY Part 2 Slide 2 MUTATIONS Slide 3 Mutations Genes code for proteins Mistakes in genetic code cause mistakes in the protein Mutations are mistakes…

Slide 1 C HROMOSOMAL ANOMALIES REPLICATION, TRANSCRPITION AND TRANSLATION Dr MOHAMED FAKHRY 1 Slide 2 CHROMOSOMAL ANOMALIES 2 Dr MOHAMED FAKHRY Slide 3 N UMBER OF CHROMOSOMES…

fluorescence in situ hybridization CHROMOSOME STRUCTURE page 12 EUKARYOTIC â DNA wrapped around histone proteins. Banding pattern â dark â heterochromatin â non-coding…