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7 CK GENETICS part 1

GENETICS (several units combined) SET 1 COMPLETE

TermDefinition
Adenine fundamental component of DNA that is paired with Thymine
Allele several forms of a gene that is responsible for heredity variations; different forms of a gene ; each member of a gene pair that determines a specific trait
Asexual reproduction form of reproduction that does not involve meiosis and only one “parent” involved: this is an exact replica of the “parent” ; fission, budding, and regeneration – in which a new organism is produced from one parent and has DNA identical to the parent org
Codon a triplet of adjacent nucleotides in the messenger RNA chain
Cytosine a fundamental component of DNA and RNA that forms a base pair with guanine
diploid cell whose chromosomes occur in pairs; a complete set of chromosomes;cells that have 2 copies of each chromosomes: one from mother, one from father
DNA the chemical that makes up genetic material contains genes deoxyribonucleic acid, which is the genetic material of all organisms, made up of two twisted strands of sugar-phosphate molecules and nitrogen bases; nucleic acid that contains the genetic instr
DNA Replication process of copying a double strand DNA in a cell prior to cell division
Dominant allele expresses its phenotypic effect even when heterozygous with a recessive allele; the allele that always shows up if it is present for that gene
Double Helix the spiral arrangement of the 2 complimentary strands of DNA
egg haploid sex cell formed in the female reproductive organs.
Evolution change in the gene pool of a population from generation to generation by such processes as mutation, natural selection, and genetic drift
Extraction the process of obtaining something from a mixture or compound by chemical, physical or mechanical means fertilization
Frequency the number of periods or regularly occurring events of any given kind in unit of time
Gene basic unit of heredity; segment of DNA on a chromosome that has a code for a specific trait
Generation the offspring of a certain parent or couple, considered as a step in natural descent
genetic engineering the deliberate modification of the characteristics of an organism by manipulating its genetic material
genetics the study of heredity or the passing on of traits from an organism to its offspring
Genotype sum total of genes transmitted from parent to offspring; the allele combination (TT, Tt, tt); gene makeup of an organism
Guanine a fundamental component of DNA and RNA that forms a base pair with cytosine
Hair line the outline of the growth of hair on the head
Hair whorl the particular direction in which your hair “circles” from
fertilization in sexual reproduction, the joining of a sperm and egg
haploid cells cells having only one complete set of chromosomes
Gametes (sex cells) the cells involved in sexual reproduction (contain half of the genetic information of somatic cells)
chromosome DNA molecules in a cell's nucleus twisted into a small rod shape- the genetic material of the cell ; threadlike bodies consisting of chromatin that carry genes in a linear order; genes are carried from parents to offspring by chromosomes. they come in a p
Created by: artisteacher