Chapter 13 - Meiosis & Sexual Life Cycles Flashcards
Define Gene
A specific sequence of DNA.
Define genome
Genetic material of an organism
Define life cycle
a series of changes in ones life. i.e. reproduction.
What are somatic cells?
Any cell in a multi-cellular organism except for sperm or egg.
What are sex cells?
Gametes
What is a Karyotype?
A display of chromosome pairs of a cell arranged by size and shape.
What are homologous chromosomes?
A pair of identical chromosomes. One homologous chromosome is inherited from the mother and the other from the father.
What are autosomes?
A chromosome not directly involved in determining sex.
What are gametes?
A reproductive cell such as egg or sperm
What are haploid cells?
A cell that contains only one set of chromosomes.
What is fertilization?
The union of haploid gametes to produce a diploid zygote.
What is a zygote?
A fertilized egg
What does diploid mean?
2n
What does haploid mean?
n
What is a tetrad?
Chromosomes that have a pair.