Cellular Reproduction
Stage of cell cycle when nucleus divides
What is mitosis
If a cell has a diploid number of 46, what is the haploid number?
23
Which two chromosomes would represent a male?
XY
mRNA molecules have how many strands?
one
Anatomical parts which have a reduced function in an organism are
vestigial structures
Name of phase during which the cell's cytoplasm divides?
Cytokinesis
A dog's height would be it's....
phenotype
Which chromosomes determine everything except a person's gender?
autosomes
The twisted ladder shape of DNA is also called a
"double helix"
Which adaptation allows organisms to become almost invisible to predators?
camouflage
Which phase is divided into three phases, G1, S and G2
Interphase
What would the following represent? AA
Homozygous dominant
What are diagrams that show inheritance patterns of traits, diseases or disorders?
Pedigrees
What are the functional units of DNA called?
Nucleotide
fitness
During which phase of mitosis do sister chromatids separate and go to opposite poles of the cell?
What is anaphase
The random distribution of alleles which occurs during gamete formation is called the law of
segregation
Crossing a red and whit snapdragon (flower) to produce pink snapdragons is an example of
Incomplete dominance
What nitrogen base would pair with guanine in RNA?
Cytosine
Bird wings and mosquito wings are considered what type of structures because they have different internal structures?
analogous
Correct order of the cell cycle
G1, S, G2,prophase, metaphase, anaphase, telophase, cytokinesis
When does the process of crossing over occur during meiosis?
Prophase I
What pattern of inheritance occurs when both alleles are expressed at the same time equally?
Codominance
A three base sequence of mRNA is also known as a
Codon
Which form of selection increases the expression of one of the extreme versions of a trait in a population?
Directional selection