Mitosis and the Cell Cycle
What occurs during interphase?
cell growth and DNA replication
Which term describes a cell with two sets of chromosomes
Diploid
What is the result of meiosis
for haploid gametes
What is a genotype
the genetic makeup of an organism
A type O man marries a type AB woman. What are the possible blood types of the children
Type A or B
What is the correct order of the phases of mitosis?
PMAT
What are centrioles responsible for
Organizing the spindle
What does “haploid” mean
one copy of chromosomes
A tall plant (Tt) crossed with a short plant (tt) produces what ratio of tall to short
1:1
In codominance, a cross between red and white flowers might produce
Flowers with both red and white patches
During which phase do chromosomes line up in the middle of the cell
Metaphase
Which phase comes before metaphase
prophase
What happens to homologous chromosomes in meiosis
they pair and separate
Two heterozygous tall plants (Tt) are crossed. What is the chance of short offspring
25%
In incomplete dominance, crossing two pink flowers (Pp x Pp) results in:
1 red 2 pink 1 white
In which phase do the sister chromatids separate
Anaphase
What is the role of spindle fibers
move chromosomes during mitosis
What is crossing-over
exchange of genetic material between homologous chromosomes
What are alleles
alternate forms of a gene
Mitosis produces _____; meiosis produces _____.
2 Diploid cells ..... 4 Haploid cells
What structure forms during cytokinesis in animal cells?
cleavage furrow
How is plant cell division different from animal cell division?
forms a cell plate
A zygote is formed by the
fusion of two gametes
What is the genotype of a heterozygous individual
Tt