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Science-DNA & Genes

Quiz- March 12th

DNA stands for: Deoxyribonucleic Acid
DNA is the blueprint that tells _____ ____ __ __. Cells what to do
DNA is in the _______. Nucleus
DNA molecules come in a form of a _______ ______ shape called a ______ _____. Twisted Latter, double helix
What are the 4 letters of DNA? ATCG
What do the 4 letters stand for? Adenine, Thymine, Cytosine, Guanine
What are the letter pairs? AT, CG
Genes tell the cell to make other molecules called ________. Proteins
_______ ________ discovered that DNA was in a spiral form. Rosalind Franklin
Who made the model of DNA that we know of today? Waston & Crick
How does DNA copy itself? 1- Enzymes separates DNA strand into 2 strands; 2- New base pairs w/ partner; 3- New "ribbon" is produced-new side
Gene Section of DNA that tells the cell which protein to make
RNA stands for: Ribonucleic Acid
___ is a single strand and has uracil instead of thymine RNA
Chromosome Thread-like strands of DNA in the cell's nucleus that carry the code for the cell characteristic
Nucleic Acid Building blocks of DNA
Amino Acid Building blocks of proteins (20)
Heredity The passing of traits from parent to child
Trait Notable quality of a person- can be physical, behavioral, or medical
Genetics The science of how traits are inherited through genes passed from generation to the next
Dominant Upper case letters that take over the recessive traits ("H")
Recessive Lower case letter that is taken over by the dominant trait ("h")
Genotype Pair of genes
phenotypes The appearance of a trait
Homozygous The same type of trait ("HH" or "hh")
Heterozygous 2 different genes for a trait ("Hh")
Created by: bml9913