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Genetics-Ms. Lynch
For Friday's Quiz
| Question | Answer |
|---|---|
| genetics | The study of the transmission of traits (traits being passed down from parent to child) |
| karyotype | a diagram that shows the 46 human chromosomes in a human cell arranged in their homologous pairs |
| genotype | combination of genes "letters" |
| phenotype | physical traits "brown eyes" |
| genes | sequence of bases that code for a protein (trait) |
| allele | alternative forms of a gene ("a letter") |
| autosomes | all chromosomes OTHER than sex chromosomes |
| sex-chromosomes | a pair of chromosomes that control the sex of an organism (in humans, pair #23) |
| Y chromosome | carried by male in sperm and determines the sex of an organism |
| hemophilia | a medical condition where the blood doesn't clot |
| sex-linked traits | traits controlled by genes on the sex chromosomes |
| DNA | life's "code" (deoxyribonucleic acid) |
| RNA | single stranded nucleic acid. involved in protein synthesis |
| nucleotide | the mall molecule that DNA is made of. Consist of: -phosphate group -5 carbon sugar -nitrogen base |
| DNA replication | produces 2 identical copies of DNA |