12.4 Flashcards
1
Q
Homologous
A
Each of the four chromosomes from the male parent has a corresponding chromosome from the female parent.
2
Q
Diploid
A
Meaning double, the diploid cells of most adult organisms contain two complete sets of inherited chromosomes and two complete sets of genes.
3
Q
Haploid
A
Meaning “single” gametes of sexually reproducing organisms including fruit flies and peas are haploid.
4
Q
Meiosis
A
A process in which the number of chromosomes per cell is cut into half through the separation of homologous chromosomes in a diploid cell.
5
Q
Tetrad
A
Contains four chromosomes.
6
Q
Crossing Over
A
Bits and pieces of the homologous chromosomes are exchanged.