Word list came in part from: Biology: The Dynamics of Life, McGraw-Hill Company, Inc., 2002, . Sex-Linked Disorder Definitions Sex-Linked Chromosomal Disorders April Jones, CDC’s 2004 Science Ambassador Program Sex linked traits -- traits that are controlled by genes located on the sex chromosomes. Chromosomes cell structure that carries the genetic material that is copied and passed – from one generation to the next. Autosome/autosomal pairs of matching homologous chromosomes in somatic cells. – Pedigree graphic representation of genetic inheritance used to map genetic traits. – Recessive trait of an organism that can be masked by the dominant form of a trait. – Dominant observed of an organism that masks the recessive form of a trait. – Gene segment of DNA that controls the protein production and the cell cycle. – X chromosome one of the sex chromosomes – Y chromosome one of the sex chromosomes, responsible for determining the sex of a – gamete. Sex chromosomes in humans, the 23rd pair of chromosomes; determine the sex of an – individual and sex-linked characteristics. Containing the X and Y chromosomes. Genotype -- combination of genes in an organism. Phenotype outward appearance of an organism, regardless of it – Heredity passing on of characteristics from parents to offspring. – Alleles alternative forms of a gene for each variation of a trait of an organism. – Traits characteristic that is inherited; can be either dominant or recessive. – Centromere cell structure that joins two sister chromatids of a chromosome. – Homozygous paired chromosomes with genes for the same traits arranged in the same – order. Heterozygous two different alleles for a – Genetic disorder disorder related to the genes or chromosomes. – Mutation any change or random in a DNA sequence. – Reference Biology: The Dynamics of Life, McGraw-Hill Company, Inc., 2002, .
Word list came in part from: Biology: The Dynamics of Life, McGraw-Hill Company, Inc., 2002, . Sex-Linked Disorder Definitions Sex-Linked Chromosomal Disorders April Jones, CDC’s 2004 Science Ambassador Program Sex linked traits -- traits that are controlled by genes located on the sex chromosomes. Chromosomes – cell structure that carries the genetic material that is copied and passed from one generation to the next. Autosome/autosomal – pairs of matching homologous chromosomes in somatic cells. Pedigree – graphic representation of genetic inheritance used to map genetic traits. Recessive – trait of an organism that can be masked by the dominant form of a trait. Dominant – observed of an organism that masks the recessive form of a trait. Gene – segment of DNA that controls the protein production and the cell cycle. X chromosome – one of the sex chromosomes Y chromosome – one of the sex chromosomes, responsible for determining the sex of a gamete. Sex chromosomes – in humans, the 23rd pair of chromosomes; determine the sex of an individual and sex-linked characteristics. Containing the X and Y chromosomes. Genotype -- combination of genes in an organism. Phenotype – outward appearance of an organism, regardless of it Heredity – passing on of characteristics from parents to offspring. Alleles – alternative forms of a gene for each variation of a trait of an organism. Traits – characteristic that is inherited; can be either dominant or recessive. Centromere – cell structure that joins two sister chromatids of a chromosome. Homozygous – paired chromosomes with genes for the same traits arranged in the same order. Heterozygous – two different alleles for a Genetic disorder – disorder related to the genes or chromosomes. Mutation – any change or random in a DNA sequence. Reference Biology: The Dynamics of Life, McGraw-Hill Company, Inc., 2002, .
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