type of cell division that results in cells containing half the number of chromosomes
pairs of chromosomes that are the same size
scientific term for sex cells
a fertilized egg
the joining of the egg and the sperm
a pair of homologous chromosomes
two identical copies of a chromosome which are attached to one another at the centromere.
Female sex cell
male sex cell
describes a cell has only one set of unpaired chromosomes
a cell that contains both sets of homologous chromosomes
asexual reproduction in which a part of the parent organism pinches off and forms a new organism genetically identical to the parent
type of asexual reproduction involving the regrowth of lost parts
type of reproduction in which the offspring are genetically identical to the parent
type of reproduction involving the union of egg and sperm resulting in offspring that are not identical to the parents
process in which homologous chromosomes exchange portions of their chromatids during meiosis
What does this picture show?
What is number 2 pointing to?
What is number 2 holding together?
Are these cells hapolid or diploid?
Is the zygote shown in the picture haploid or diploid?
A picture of all the chromosomes in a cell arranged in pairs
error in meiosis in which homologous chromosomes don't separate; gametes end up with wrong number of chromosomes
a genetic mistake
A genetic condition of having three (tri) chromosomes instead of two. The condition causes problems.
one less chromosome than usual