Chapter 5 Review - Meiosis Flashcards
The greatest amount of change occurs in the _______ trimester of development.
First
A term for either a sperm or an egg?
Gamete
A term describing cells which only have one set of chromosomes in the nucleus?
Haploid
The transfer of male gametes toward the female structures in plants is called ______________.
Pollination
Very early on in embryonic development, a ball of cells (which is not hollow) develops. This stage is called a _______.
Morula
The process of a sperm penetrating an egg cell, in turn combining their genetic contents.
Fertilization
The eggs in the female structures of plants are called ________.
Ovules
The middle layer of the gastrula.
Mesoderm
Behaviours which result in male and female gametes arriving in the same place at the same time.
Mating
In many plants, sperm are carried in protective capsules called ______ grains.
Pollen
A full term pregnancy is divided up into three stages, or _________.
Trimesters
The inner-most layer of the gastrula.
Endoderm
Independent ______________ occurs when each chromosome in a homologous pair is pulled to opposite ends on the cell during meiosis | .
Assortment
A type of reproduction that requires two parents and results in offspring which differ genetically from the parents.
Sexual
A process which produces haploid cells from a diploid parent cell.
Meiosis