Chapter 6 test
How many Autosomes do you receive from your mom?
22
How many chromosomes are in a human gamete?
23
Which of the following increases genetic diversity among sexual reproduction?
Crossing over
What gender is represented by XX?
Female
Which phrase best describes crossing over?
Homologous chromosomes exchange genes.
During which stage does crossing over occur?
Meiosis 1, Prophase 1
In which phase of meiosis do homologous chromosomes separate from each other?
Meiosis 1, anaphase 1
What does an egg contribute to the embryo that a sperm does not?
Organelles
Which phrase best describes the process of crossing over?
Pairs of homologous chromosomes exchange segments.
A kidney cell is an example of what cell type?
Somatic cell
Which of the following cell types is a haploid?
Sperm
Which of the following cell types could have 22 autosomes and an X Chromosome?
Sperm and Ovum cell types.
What kind of cells are produced by Meiosis?
Sperm cells, Egg cells, sex cells, and Gametes.
Gametogenesis is the term for
The maturing production of gametes.
What happens to sister chromatids in meiosis 2?
They are divided.
Sperm cell
What cell is represented in this picture?
Metaphase 2
Which phase is occurring in this picture?
What are a females sex chromosomes?
XX
What sex chromosomes represent a male?
XY
Which phrase best describes meiosis 1?
division of homologous chromosomes.
During what process do sex cells fuse to for one nucleus?
fertilization
What process produces haploid cells?
meiosis
What process reduces chromosomes number by half and produces gametes?
meiosis
Which of the following has 22 autosomes and a y Chromosome?
sperm
Which statement is true for linked genes?
they are close together on the same chromosome.
