Chromosomes genes And Protiens
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Chromosomes
Made of dna that contain generic information in the form of genes
Gene
Is a length of dna that codes for a specific protein
Allele
Alternate form of a gene
Haploid nucleus
Contains a single set of chromosomes
Diploid cell
Contains two sets of chromosomes
Stem cell
I specialized cell that’d divides into daughter cells that can become specialized for a specific function
Mitosis
Nuclear division giving rise to genetically identical cells
Meiosis
Reduction division of chromosome numbers halved from diploid to haploid resulting in genetically different cells
Inheritance
Is the transmission OF GENETIC INFORMATION from generation to generation
Genotype
Genetic makeup of an individual in terms of the alleles present
Phenotype
Observable features of an organism
Homozygous
Having to identical alleles of a particular gene
Heterozygous
Having two different Allie’s of a particular gene
Dominant allele
An allele that is expressed if it is present in the genotype
A recessive allele
An allele that is only expressed if the is no dominant allele of the gene present in the genotype
Codominance
Is a situation where both alleles in heterozygous organisms contribute to the phenotype
Sex linked characteristics
Is a feature where the gene responsible is located in a sex chromosome and this makes the characteristic more common in one sex than the other
Red green color blindness
Example of sex linked characteristics