Cloning Plants Design of an experiment to assess one factor affecting the rooting of stem-cuttings Stems can be cut so that roots develop from the cut end of the stem This is a way of cloning plant...
Cloning Clones are groups of genetically identical organisms, derived from a single original parent cell A cloned cell is a cell that is genetically identical to the cell that it originated from Se...
Genetic Modification Genetic modification is carried out by gene transfer between species Genetic modification is a term usually used to refer to the transfer of DNA sequences from one species to a...
Use of DNA Profiling DNA profiling involves comparison of DNA DNA profiling (genetic fingerprinting) enables scientists to identify suspects for a crime and identify corpses because every person (a...
Gel Electrophoresis Gel electrophoresis is used to separate proteins or fragments of DNA according to size Gel electrophoresis is a technique used widely in the analysis of DNA, RNA, and proteins D...
Causes of Mutations A mutation is a change in the sequence of base pairs in a DNA molecule They occur randomly and continuously to create new alleles of a gene Often only with a very small number o...
Causes of Genetic Disease A gene can affect a phenotype of an organism A gene codes for a single polypeptide The polypeptide affects the phenotype through a particular mechanism The phenotype of an...
Constructing Punnett Grids A monohybrid trait is one that is controlled by only one gene Generally, we consider that such a gene has two alleles Either: one allele is dominant and the other is rece...
Segregation of Alleles Meiosis is a form of nuclear division that results in the production of haploid cells from diploid cells During meiosis a diploid cell will divide twice to form four haploid ...
