Top 6 - Inheritance, Variation and Evolution Flashcards
What are chromosomes?
Chromosomes are really long molecules of DNA
What do genes code for?
Genes code for specific amino acids which intern orders the proteins and determines what cell it will become.
What is a genome?
The genome is the entire set of genetic material in an organism. E.g The human genome
What are proteins main functions?
Enzymes
Hormones
Structural Proteins - strengthens connective tissues
What are mutations?
Mutations are changes to the genetic code
Define Mitosis
Mitosis is when the genetic material in the nucleus copies then divides, which forms identical cells.
Define Meiosis
Meiosis is a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell.
What is Mitosis used for and what is Meiosis used for?
Mitosis is used for growth and repair
Meiosis is used for Forming gametes
Which type of reproduction produces genetically identical cells.
Meiosis