Bio-Student Make a Karyotype PDF

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BITCHES Make a Karyotype Website Questions Link to Karyotype Website. https://learn.genetics.utah.edu/content/basics/KARYOTYPE/ Instructions: Read the information about karyotypes and then match up the chromosomes to create your own karyotype. Answer the following questions below. Turn in the document when you are finished. Questions: 1. What is a karyotype? A karyotype is an organized profile of a person's chromosomes. Two chromosomes specify sex, XX for female and XY for male. The rest are arranged in pairs, numbered 1 through 22, from largest to smallest. 2. Why do scientists create karyotypes? Their arrangement helps scientists quickly identify chromosomal alterations that may result in a genetic disorder. 3. How do scientists make a karyotype? In order to make a karyotype, scientists take a picture of the chromosome from one cell, cut them out, and arrange them using size, banding pattern, and centromere position as guides. 4. The X and Y chromsomes are referred to as sex chromosomes. What is the term used to describe the chromosomes pairs number 1-22? (May need to check your notes) The term used to describe the chromosomes pairs number 1-22 is autosomes.

5. Is the karyotype you created for a male or female? How do you know? It is a male karyotype as seen from the presence of X and Y chromosomes. 6. Karyotypes can show chromosomal abnormalities too. What is the condition called when an individual has an extra copy of the 21st chromosome...they have three 21st chromosomes, rather than 2? You may need to look this up. Down syndrome is also known as Trisomy 21 (21’st Chromosome), because the person has three copies of chromosome 21 instead of two. There are three types of Down syndrome....