Indicate whether the sentence or statement is true or false.
DNA replicates during interphase
Chromatids separate from each other during telophase.
Four sperm are produced from each cell undergoing meiosis in a male.
Chromatin appears as tightly coiled, rod-shaped structures in the cell nucleus.
Each homologue of a chromosome pair has a different size and shape.
Meiosis produces diploid cells.
Sperm and egg cells contain only one member of each homologous pair of chromosomes
The information needed by a cell to direct its activities and to determine its characteristics is contained in molecules of deoxyribonucleic acid (DNA).
Meiosis is identical to mitosis except for the kind of cells in which it occurs
Variation promotes a better chance for survival should change in the environment occur.
Identify the letter of the choice that best completes the statement or answers the question.
During anaphase I of meiosis
This process results in the production of diploid cells.
Which does not occur during mitosis in an animal cell?
A certain cell contains the following chromosomes F and F*; G and G*; the possible combinations of these chromosomes in the gametes of this organism are
During cell division, the cytoplasm divides to become two new cells during
Each pair of chromatids is attached at an area called the
Which cells in the normal human body rarely undergo cell division?
The DNA of chromosomes is coiled around special proteins called
Separation of homologues occurs during
crossing over : genetic variation::
Two nuclei are produced during
The two main stages of cell division are called
Fertilization produces a
What is responsible for growth by increasing cell number?
In order to fit within a cell, DNA becomes more compact by
The genetic information in a cell is contained in the
The thread-like structure that helps move the chromosomes apart during mitosis is called the
growth : G ::
Human cells with 26 chromosomes are produced during
During crossing-over, portions of the chromatids
As a result of mitosis in a human body cell, the nucleus of each daughter cell contains
One difference between cell division in plant cells and in animal cells is that plant cells have
When during the cell cycle are chromosomes visible?
Which of the following is NOT a correct statement about the events of the cell cycle?
female : XX::
In cell division, chromatin material becomes
A student can study a karyotype to learn about the
What is the role of the spindle during mitosis?
Meiosis I is often called “reduction division” because
The process by which a cell divides into two daughter cells is called