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genetic codes
| Question | Answer |
|---|---|
| gene | a segment of dna that codes for a particular protein which in turn codes for a trait or characteristic the gene for height |
| chromosome | composed of gens when an organism reproduces the chromosome is what carries the genetic information from parent to offspring |
| allele | the two forms of a gene the tall allele and short allele for the gene for height |
| diploid | cells with 2 copies of each chromosome having received one copy from each parent |
| haploid | cells with only one copy of each chromosome |
| somatic cell | a regular body cell of an organism contain 2n diploid |
| homologous chromosome | the 2 copies of each chromosome in a diploid cell |
| dominant | the stronger form of an allele that is always expressed represented by an upper case letter R |
| recessive | the weaker form of an allele that is hidden by the dominant RR or both alleles are recessive rr also called true breeding |
| heterozygous | an allelic combination where one of |