Bio Chapter 11 Vocab Word Scramble
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Term | Definition |
genes | segments of DNA that control the production of proteins |
carrier | An individual who is heterozygous for a recessive disorder. |
pedigree | a diagram that traces the inheritance of a particular trait through several generations |
gamete | a mature sex cell (sperm or egg) with a haploid number of chromosomes |
incomplete dominance | complex inheritance pattern in which the heterozygous phenotype is an intermediate phenotype between the two homozygous phenotypes |
codominance | a complex inheritance pattern in which both alleles are expressed in the heterozygous condition |
multiple alleles | a trait that is determined by more than two alleles such as the human blood group. |
epistasis | interaction between alleles in which one allele hides the effects of another allele. |
sex chromosome | the 23rd pair of chromosomes that determines an individual's gender |
sex-linked trait | traits controlled by genes located on the sex chromosomes (usually the X). |
polygenic trait | a characteristic that results from the interaction of multiple gene pairs. |
karyotype | a picture in which the pairs of homologous chromosomes are arranged in decreasing size. |
telomere | the protective end cap on a chromosome. |
nondisjunction | cell division in which the sister chromatids do not separate correctly resulting in gametes with an abnormal number of chromosomes. |
mitosis | the process during the cell cycle in which the nuclear material is divided. |
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