Inheritance definitions
- Created by: katelin_jenkins17
- Created on: 30-12-18 13:07
View mindmap
- Inheritance
- Gene: sequence of DNA that codes for a polypeptide and which occupies a specific locus on a chromosome.
- Allele: variant nucleotide sequence for a particular gene at a given locus, which codes for an altered phenotype.
- Linked: description of genes that are on the same chromosome and therefore do not segregate independently at meiosis.
- Carrier: a phenotypically normal female with one normal dominant allele and one mutant, recessive allele
- Sex linkage: a gene is carried by a sex chromosome so that a characteristic it encodes is seen predominantly in one sex
- Non-disjunction: faulty cell division in meiosis following which one of the daughter cells receives two copies of a chromosome and the other receives none.
- Polyploidy: having more than two complete sets of chromosomes
- Epigenetics: control of gene expression by modifying DNA or histones, but not affecting the DNA nucleotide sequence
- Oncogene: proto-oncogene with a mutation that results in cancer
Comments
No comments have yet been made