Genetics Study Guide Word Scramble
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Question | Answer |
Traits are influenced by genes and environmental factors, explain the difference. | Genes are how your body is naturally supposed to look. Environmental factors change the way that your body is supposed to look. |
Whats a carrier? | Someone with a working copy and a dysfunctional copy of a gene who does not show the dysfunctional trait. |
What are the male and female sex chromosomes? | XX-Female XY-Male |
How does down syndrome occur? | There is extra genetic material from chromosome 21. |
What is sickle cell anemia? | A genetic disorder that causes cells to be misshapen at low oxygen levels. |
Describe DNA. | It is a bunch of nitrogen bases in the shape of a double helix. made of a sugar backbone,thymine,adenine,guanine, and cytosine. |
What rules must be followed when ATCG bases are paired? | Adenine and Thymine/Guanine and cytosine |
Whats a karyotype? | The number and visual appearance of the chromosomes in the cell. |
Whats selective breeding? | When humans intentionally breed two organisms to bring out a desired trait. |
Whats inbreeding? | Breeding in one family line. |
Whats cloning? | Creating an organism that has the exact same DNA as the organism that it originated from. |
Whats a genome? | The entire set of genes in an organism. |
Whats the purpose of the human genome project? | The main goals of the Human Genome Project were to provide a complete and accurate sequence of the human genome. |
Whats a mutation? | A change in the structure of s gene. |
Describe the types of mutations that can occur. | Deletion-DNA is lost or taken away. Substitution- The replacement of one base for another. Insertion-Extra base pairs are put into a gene. |
Whats a gene? | A sequence of DNA that controls a certain trait. |
What is genetic engineering? | The modification of an organism by manipulating its genes. |
Whats the difference between meiosis and mitosis? | Meiosis creates 4 new cells and mitosis creates 2 new cells. |
Whats unique about and identical twins DNA? | It is exactly the same as his twins. |
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