The phase during the cell cycle when a cell's DNA is replicated
What is S Phase
100
If an organism's diploid number is 12, its haploid number is ___.
What is 6
100
Organisms that have to identical alleles for a particular trait are said to be ____.
What is Homozygous
100
Down Syndrome is a genetic disorder that occurs on this chromosome pair
What is the 21st
100
Makes proteins using coded instructions that come from the nucleus
What are Ribosomes
200
The phases of mitosis in their proper sequence
What is Prophase, Metaphase, Anaphase, Telophase
200
Gamete are produced during this process
What is Meiosis
200
Different forms of a gene (shown as letters) are called this
What are Alleles
200
Cancer is a disorder in which some cells have lost the ability to control this
What is Growth Rate
200
Function of the nucleus
What is Stores DNA
300
The phase in the cell cycle in whcih mitosis happens
What is M Phase
300
Occurs to chromosomes during Prophase I of meiosis which creates diversity
What is Crossing-over
300
The principle that states during gamete formation, genes for different traits separate without influencing each other's inheritance.
What is Principle of Independent Assortment
300
Colorblindness is more common in males than in females because the allele for colorblindness is recessive and located on this chromosome.
What is the Y Chromosome
300
The main function of _____ regulates the movement of materials in and out of the cell
What is the Cell Membrane
400
The number of identical daughter cells after mitosis
What is 2
400
Unlike mitosis, meiosis results in the formation of this type of cell.
What is Haploid
400
Situations in which one allele for a gene is not completely dominant over another allele for that gene are called ___.
What is Incomplete Dominance
400
Human females produce egg cells that have this many X chromosome(s)
What is One X Chromosome
400
Energy is released from ATP when ____ is removed.
What is a Phosphate Group
500
The only phase during the cell cycle when the chromosomes are visible
What is Cell Division (Mitosis)
500
The number of genetically different daughter cells produced by meiosis
What is 4
500
A heterozygous tall pea plant is crossed with a short plant. The probability (percent) that the F1 generation will be tall is ____.
What is 50%
500
If a man with blood type heterozygous A and a woman with blood type heterozygous B produce an offspring, the chance of the offspring with type O blood would be this.
What is 25%
500
A covalent bond is formed as the result of doing this with electrons