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Mixed up Chromosomes

13/12/2010 2 Comments

We can mix up our strings of DNA (chromosomes) in a few ways. This week, we’ll talk about translocations. We’ve talked about the correct number of chromosomes in a karyotype and banding. To refresh, humans have 46 chromosomes or 23 pairs of chromosomes in our regular (somatic cells). Eggs have 23 chromosomes and sperm have […]

Filed Under: chromosomes, MedGen Intro Tagged With: balanced, chromosomes, imbalance, intro, Philadelphia chromosome, translocation

Chromosome Disorders

29/11/2010 Leave a Comment

Our DNA is pretty cool. We get half our DNA from our mom and half from our dad and we function best when we have two copies of each chromosome. Having too much or too little of each section of DNA can lead to disease.

Filed Under: chromosomes, MedGen Intro Tagged With: chromosomes, intro

What are chromosome bands? Pet peeve included

15/11/2010 5 Comments

Humans have 23 pairs of chromosomes and having too much or too little chromosomes or sections of chromosome can lead to disease. As mentioned in the introduction to karyotypes, size is one way to distinguish chromosomes but chromosome bands also help label the chromosomes. One pet peeve is the way that non-experts say the location […]

Filed Under: chromosomes, MedGen Intro Tagged With: chromosomes, intro, karyotype

Human Chromosomes and Karyotype

08/11/2010 7 Comments

We will start talking about human genetics at the point of chromosomes.We need to know the basics of chromosome organization and identification to understand the mechanisms and tests for common chromosome disorders.

Filed Under: chromosomes, MedGen Intro Tagged With: chromosomes, intro, karyotype

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About Me

genegeek150logoHello. I'm Catherine and I'm using this space to try something outside of academic writing. I enjoy molecular genetics, science education, crafts, and travel. I hope you enjoy my projects and writing. Read More…

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