| A | B |
|---|
| Who developed the DNA model used today | Watson and Crick |
| the basic subunit of DNA | nucleotide |
| hydrogen bonds must break apart to allow the process of ___________ to begin | replication |
| replication of DNA occurs in the | nucleus |
| translation occurs in the | ribosome - cytoplasm |
| DNA contains deoxyribose sugar and is different from RNA which contains __________ sugar | ribose |
| a 3 base unit of mRNA is called a | codon |
| mitosis takes place in a | autosome cell |
| meosis takes place in a | chromosome or sex cell |
| What percent of sperm cells have a Y chromosome? | 50% |
| During meiosis, if the chromosomes do not separate correctly this is called? | nondisjunction |
| What are the alleles used to represent a female | XX |
| What are the alleles used to represent a male | XY |
| Who was the father of genetics | Gregor Mendel |
| In codominance two different ________ are expressed | proteins |
| In incomplete dominance, a __________ phenotype is expressed | mixture |
| The process where amniotic fluid is taken from the mother to check for genetic abnormalities is called? | amniocentesis |
| A child with Down's Syndrome will have ___ chromosomes at pair #21 | 3 |
| Gel electrophoresis is used to _____________? | determine parents and determine who committed a crime |
| What is used to cut DNA | restriction enzymes |
| One example of gene therapy is the pharmaceutical application of ___________ for diabetics | insulin |
| What is the name of the project uised to map the 46 chromosomes in order to detect, treat, and cure genetic disorders | Human Genome |
| A disadvantage of gene regulation is __________ | cancer |
| _____________ is an example of a carcinogen | smoking |
| the only kind of cells that can pass along mutations are ___________ | gametes |
| What is the name of the term that describes "life springing from life"? | biogenesis |
| Who did the experiment with S shaped flasks to pro ve biogenesis? | Pasteur |
| What gas was missing from the atmoshpere in early earth? | oxygen |
| Who did an experiment that proved that life could form on early earth with the conditions and substances that were present? | Miller and Urey |
| The first cell was probably an ____________ | anaerobic bacteria |
| What is it called when two species grow apart from a common ancestor? | divergent evolution |
| What is the name for evolution that occurs slowly and takes a long time? | gradual |
| Who came up with the theory of natural selection? | Charles Darwin |
| Darwin's theory explains why conifers keep their leaves _____________ | all year long |
| The study of the stages of animal early development is called? | embryology |
| The flipper of a whale and the arm of a human are examples of __________ structures | homologous |
| When one extreme trait survives, this is called _____________? | directional selection |
| When both extremes are elected to survive, it is called | disruptive selection |
| When memebers of 2 populations cannot interbreed and make fertile offspring, this is called_____________? | reproductive isolation |
