A portion of a DNA molecule that specifies a single functional unit is called a
gene; ... containing a unique combination of DNA sequences that code for genes.
... If a mutation occurs within a gene...
A gene is a short piece of DNA—deoxyribonucleic acid, the hereditary material in
... An abnormal genetic trait passed down through families (inherited) may: ...
Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a
small ... The information in DNA is stored as a code made up of four chemical
A gene or locus that has more than one common allele is called a polymorphism.
... DNA (deoxyribonucleic acid) The molecule that contains the genetic code for
all .... One of MendelÌs original laws stating that the hereditary factor for one trait ...
Dominant alleles for a trait are usually expressed if an individual is ... a large
organic molecule that stores the genetic code for the synthesis of ... an X-linked
genetically inherited recessive disease in which one or more of the ..... In other
words, the hereditary material of any organism is made up of discrete units (now
Today, most scientists agree that genes correspond to one or more DNA
sequences ... which he called traits, were passed down to successive
generations. ... This combination of parental elementen then determined which
form of a trait was .... chromosomes are indeed the physical carriers of hereditary
information, and this ...
The flower color gene in this case has two alleles, one for white and the other for
.... dominant: A genetic trait or disorder is dominant when only one copy of the
gene is .... mutation: A change in the genetic code (the A's, C's, G's and T's) of a
gene. .... This happens at the protein-making factories of the cell call...
Get information, facts, and pictures about Genetic Code at Encyclopedia.com. ...
Any single set of three nucleotides is called a codon , and the set of all possible ...
Each of the remaining sixty-one codons encodes an amino acid. .... soon after the
discovery that the DNA comprised the hereditary material of living organisms.
Genetic information is stored within the chemical structure of the molecule DNA.
... the letters A, T, C and G, and their order literally "spells" out the genetic "code".
The variable sequence of bases from individual to individual is one source of
biological variation. ... Allele: Different versions of the same gene...
Jul 17, 2015 ... Because genes are integral to the explanation of hereditary ... Genetic research
also has demonstrated that virtually all organisms on this planet ... Heredity was
for a long time one of the most puzzling and .... Weismann concluded that the
hereditary endowment of the organism, which he called the germ ...
DNA is the molecule that is the hereditary material in all living cells. ... A gene
consists of enough DNA to code for one protein, and a genome is simply the ... a
sugar molecule, a phosphate molecule, and a structure called a nitrogenous