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Genetics Quiz - SMS
| Question | Answer |
|---|---|
| Gregory Mendel | the "Father" of genetics |
| J. Watson & F. Crick | discovered DNA |
| 4 bases of DNA: adenine, quanine, cytosine AND _____________ | thymine |
| DNA is short for: | De-oxy-ri-bo-Nu-cle-ic Acid |
| Modern name of Down's Syndrome | trisomy-23 |
| sickle cell anemia affects the ___________ | joints |
| cystic fibrosis affects the _____________________ | respiratory system, pancreas and sweat glands |
| gamete | a new reproductive cell |
| zygote | a fertilized egg |
| genetics | the study of traits |
| homozygous | has two like genes |
| hybrid | has two unlike ancestors |
| phenotype | the outward physical appearance |
| heterozygous | has two unlike genes |
| purebred | has two like ancestors |
| genotype | all the genes of an organism |
| mutation | a permanent change in a gene |
| Genetics | is the scientific study of how characteristics are passed from parent to offspring |
| A cell | · A cell is the basic unit of structure and function in an organism |
| A Gene | is a unit of hereditary information that carries hereditary offspring from one generation to another and is located on the chromosomes |
| DNA | is a complex chemical, which is a major component of chromosomes and genes. |
| Chromosomes | are rod shaped bodies that carry hereditary traits in the form of genes |
| simple fission | receives the DNA from only one parent |
| mitosis | is nuclear division that produces new cells for growth , repair and replacement, it takes place in all cells |
| meiosis | is cell division in the reproductive organs to produce gametes, which are eggs and sperm |
| alleles | are pairs of genes that are located at corresponding positions on homologous chromosomes |
| proteins | are used to build cell structures and are used as enzymes |
| Protein Synthesis | is the making of proteins using the information that is found in the chromosomes |
| dominanat and recessive | It occurs when the allele of the dominant gene masks the recessive gene. |
| co-dominance | happens when two alleles don’t completely mask each other, and both are expressed |
| nucleus | contains DNA and other heritable material, and controls all the activities of the cell |
| cytoplasm | where many of the chemical activities of life are carried out |
| organelles | such as mitochondria and ribosomes, which carry out specific functions in the cell. |
| cell membrane | surrounds the cell, controls the entry and exit of substances and protects the cell. |
| RNA | is the messenger; it copies the DNA information and transfers the information to other cells |
| Genome Map | describes the order and spacing of genes on chromosomes |
| DNA Chips | help identify particular genes by squirting DNA onto the probes on the chip. The chip will light up in response for the particular gene it is searching for |
Created by:
SimardRR
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