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Genetics Quiz
Study these for the quiz on wednesday
| Question | Answer |
|---|---|
| Having two dominant alleles is called | Homozygous Dominant |
| Compare Eukaryotic DNA and Prokaryotic DNA | Eukaryotic are organisms that have the nucleus and membrane bound organelles, Prokaryotes are unicellular organisms that do not have a nucleus |
| What effect can a mutation have on the traits of an organism | They can affect the formation of the amino acid sequence |
| 4 Steps in DNA replication | 1. The DNA double helix unwinds, 2. The two strands of DNA unzip, 3. Each strand acts as a template or pattern for the nucleotide, 4. The two separate strands of DNA into two identical DNA molecules |
| A short pea plant could have what gene combination (tall is dominant) | They can have contrasting traits |
| Examples of polygenic trait | height and skin color |
| If a person is affected by an autosomal (not an x or y chromosome) recessive genetic disease what is true? | They can get Cystic fibrosis and Sickle cell anemia |
| The process when the mRNA sequence is used to determine the sequence of amino acids to make a protein | It translates instructions coded in DNA and carries copies of the instructions into the cytoplasm |
| what is the base pair rule for DNA | The nitrogenous bases pair together to form the rungs of the ladder |
| Human blood type is an example of what non-Mendelain inheritance? | Height and hair color |
| An light blue flower resulting from a blue allele and white allele for flower color | Genetics |
| What is a similarity between DNA and RNA | They both are composed of sugar, phosphate group and nitrogen base |
| What is a mutation | A change in the DNA sequence of an organism |
| Having both a dominant and recessive allele is called | Heterozygous |
| ranslate the DNAcode TAC CCA TAT GGG to mRNA and determine the amino acids coded for using the codon table | AUG GGU AUA CCC, met, gly, ile, pro |
| A tall pea plant could have what gene combination (tall is dominant)? | homozygous dominant |
| Sugar in DNA | deoxyribose |
| What are the parts of a DNA or RNA nucleotide? | A nitrogen base |
| When does DNA replication occur? | Before the cell divides |
| What type of genetic disorder is more common in males than females? | Balding |
| How can a mutation have no effect on the final amino acid sequence? | Because much of the DNA codes for sequence |
| The process when a segment of Gene is coded into a strand of mRNA | Transcription |
| sugar in RNA | Ribose |
| In RNA A pairs with_________, C pairs with _________ | U, G |
| Having two recessive alleles is called | Homozygous recessive |
| ( # 12 ) What are 3 difference between DNA and RNA | DNA is a double handed RNA is single stranded, The sugar in RNA is ribose and in DNA deoxyribose, RNA contains uracial and DNA contains thymine |
Created by:
annabelle new
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