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Genes

Part B:

QuestionAnswer
How many pairs of chromosomes to people (normally) have? 23
What does chromatin wrap itself around to make a chromosome? It wraps around a protein
What are the 3 parts of DNA Phosphate, Sugar (Deoxyribose), 4 nitrogenous bases
What are the 4 nitrogenous bases? Adenine, Thymine, Cytosine, Guanine
How many rungs ( nucleotides) make up 1 codon? 3 rungs (nucleotides)
What nucleotides are always opposite from Adenine and Cytosine? Thymine and Guanine
What are the building blocks to all proteins? Amino Acids
How many traits of an individual does 1 gene control? A gene controls one certain trait of an individual Ex. Hair, eye colour, body type
What amino acid can people with Phenylketonuria (PKU) not digest? What would be the result if they ate it? People with Phenylketonuria cannot ingest Phenylalanine or else they will experience brain damage
How many chromosomes do people with down syndrome have? What pair of the karyotype is affected? People with down syndrome have an extra chromosome in pair 21.
What bodily system is affected by Huntington Disease? The nerve cells in the nervous system are affected by Huntington disease. It results in a loss of muscle control
What is a transgenic organism? A transgenic organism is an organism that has had their genes altered or had genes from other species inserted in the.
How is Genetic Engineering connected to Transgenic Organisms? Genetic engineering is the process in which a transgenic organism is created.
Why are mutations bad? A mutation occurs when a codon sequence is rearranged and loses its ability to perform its set function
What is a mutagen? Mutagens are substances or radiation that cause genes to mutate Ex. radiation, vaping and smoking
What is the difference between a sibling and a clone? Siblings have similar genes from their mutual parents but clones are exact copies down to their very genes.
Created by: Bruce Smith
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