The structure that holds two sister chromatids together to form a chromosome.
What is centromere.
100
When during the cell cycle are chromosomes visible?
What is only during cell division.
100
If a pea plant’s alleles for height are tt, what is true of its parents?
What is Both parents contributed a recessive allele.
100
Gametes have
What is one allele for each gene.
100
Compared to small cells, large cells have more trouble
What is moving needed materials in and waste products out.
200
Each half of a chromosome is reffered to as?
What is a chromatid.
200
Centrioles duplicate during which phase?
What is interphase
200
Organisms that have two identical alleles for a particular trait are said to be?
What is homozygous.
200
Chromosomes form tetrads during
What is prophase I of meiosis.
200
During early development, all cells in the embryo of a multicellular organism are identical. Later on in development, the cells will become specialized through a process called
What is differentiation
300
Factors that determine traits.
What is genes
300
During which three phases of mitosis are chromosomes visible?
What is P,M,A.
300
What principle states that during gamete formation genes for different traits separate without influencing each other’s inheritance?
What is principle of independent assortment
300
Unlike mitosis, meiosis results in the formation of
What is four haploid cells.
300
Why are stem cells important?
What is They have the potential to develop into other cell types.
400
Traits produced by two or more genes are?
What is polygenic traits
400
What is the role of spindle fibers during mitosis?
What is help separate the chromosomes.
400
Roan cattle show codominance for the color of their hair. There are alleles for red hair and white hair. What would you expect a heterozygous roan bull to look like if the trait showed incomplete dominance instead?
What is pink.
400
Gametes are produced by the process of
What is meiosis.
400
Define linked genes
What is genes are on the same chromosome.
500
A heterozygous individual that exhibits the traits of both parents is an example of?
What is codominance.
500
If a parent cell has 24 chromosomes how many chromosomes will be present in the offspring after one round of mitotic cell division?
What is 24.
500
In rabbits, there are four different versions of the gene for coat color. What pattern of inheritance is this?
What is multiple alleles.
500
The number of chromosomes in a gamete is represented by the symbol
What is N
500
The farther apart two genes are located on a chromosome, the _______ likely they are to be inherited together.