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life science

Trait A quality or characteristic
Purebred bred from parents of the same breed or variety.
Hybrid the offspring of two plants or animals of different species or varieties.
Offspring the product of the reproductive process of an animal. A child
Gene is a locus or region of DNA that encodes a functional RNA
Alleles is a variant form of a gene. Some genes have a variety of different forms.
Dominant is one whose trait always shows up in the organism when the allele is present.
Recessive relating to or denoting heritable characteristics controlled by genes that are expressed in offspring only when inherited from both parents.
Phenotype is an individual's observable traits, such as height, eye color, and blood type
Genotype is an individual's collection of genes. The term also can refer to the two alleles inherited for a particular gene.
Homozygous Alternative forms of a given gene are called alleles, and they can be dominant or recessive.
Heterozygous a gene locus when its cells contain two different alleles of a gene.
Codominance is a relationship between two versions of a gene. Individuals receive one version of a gene, called an allele, from each parent.
Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells.
Haploid cells A cell that is the result of meiosis and has half the number of chromosomes as the original cell.
Diploid cells A cell that is the result of mitosis and has the same number of chromosomes as the original cell.
Mutations is a permanent change of the nucleotide sequence of the genome of an organism.
Insertion the addition of DNA into a genetic sequence
Deletion The smallest single base deletion mutations are believed occur by a single base flipping in the template DNA.
Substitution a mutation that switches out DNA code
Sex linked gene A gene located on a sex chromosome, usually the X
Carrier when an allele carries a trait that can be passed onto a offspring
Sex chromosome a chromosome involved with determining the sex of an organism typically one of two kinds.
Genetic disorder is a genetic problem caused by one or more abnormalities in the genome.
Selective breeding
Clone an exact copy of an organism
Genetic Engineering
Gene therapy
Heredity The passing of phenotypic traits from their parents.
Created by: lock down