Mitosis vs meiosis online worksheet - Free Printable

The task is to compare Mitosis and Meiosis based on the provided categories. Below is the completed table with explanations for each entry:

Completed Table:

| Category | MITOSIS | MEIOSIS |
|-------------------------------|--------------------------------------|---------------------------------------|
| Type of cell | Somatic cells | Germ cells (e.g., reproductive cells) |
| Type of division | Asexual | Sexual |
| Number of divisions | 1 | 2 |
| Final number of daughter cells | 2 | 4 |
| Final chromosome # | Diploid (2n) | Haploid (n) |
| DNA replication | Yes | Yes |
| Homologous chromosomes | No | Yes |
| Crossing over | No | Yes |
| Chromosomes separate at centromere | Yes | Yes |
| Daughter cell genotype | Identical to parent | Different from parent |

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Explanation of Each Category:

#### 1. Type of cell
- Mitosis: Occurs in somatic (body) cells, such as skin cells, muscle cells, etc.
- Meiosis: Occurs in germ cells (reproductive cells), such as sperm and egg cells.

#### 2. Type of division
- Mitosis: Asexual division, meaning it does not involve the fusion of gametes.
- Meiosis: Sexual division, as it produces gametes (sperm and egg cells) that will fuse during fertilization.

#### 3. Number of divisions
- Mitosis: Involves a single round of division.
- Meiosis: Involves two rounds of division (meiosis I and meiosis II).

#### 4. Final number of daughter cells
- Mitosis: Produces 2 daughter cells.
- Meiosis: Produces 4 daughter cells.

#### 5. Final chromosome number
- Mitosis: The daughter cells are diploid (2n), meaning they have the same number of chromosomes as the parent cell.
- Meiosis: The daughter cells are haploid (n), meaning they have half the number of chromosomes as the parent cell.

#### 6. DNA replication
- Mitosis: DNA replication occurs before the start of mitosis (during interphase).
- Meiosis: DNA replication also occurs before the start of meiosis (during interphase).

#### 7. Homologous chromosomes
- Mitosis: Homologous chromosomes do not pair up or interact during mitosis.
- Meiosis: Homologous chromosomes pair up during prophase I of meiosis.

#### 8. Crossing over
- Mitosis: Crossing over does not occur.
- Meiosis: Crossing over occurs during prophase I, where homologous chromosomes exchange genetic material.

#### 9. Chromosomes separate at centromere
- Mitosis: Sister chromatids separate at the centromere during anaphase.
- Meiosis: Sister chromatids separate at the centromere during anaphase II.

#### 10. Daughter cell genotype
- Mitosis: The daughter cells are genetically identical to the parent cell.
- Meiosis: The daughter cells are genetically different from the parent cell due to crossing over and independent assortment.

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Final Answer:

\boxed{
\begin{array}{|c|c|c|}
\hline
\textbf{Category} & \textbf{MITOSIS} & \textbf{MEIOSIS} \\
\hline
\text{Type of cell} & \text{Somatic cells} & \text{Germ cells} \\
\hline
\text{Type of division} & \text{Asexual} & \text{Sexual} \\
\hline
\text{Number of divisions} & 1 & 2 \\
\hline
\text{Final number of daughter cells} & 2 & 4 \\
\hline
\text{Final chromosome \#} & \text{Diploid (2n)} & \text{Haploid (n)} \\
\hline
\text{DNA replication} & \text{Yes} & \text{Yes} \\
\hline
\text{Homologous chromosomes} & \text{No} & \text{Yes} \\
\hline
\text{Crossing over} & \text{No} & \text{Yes} \\
\hline
\text{Chromosomes separate at centromere} & \text{Yes} & \text{Yes} \\
\hline
\text{Daughter cell genotype} & \text{Identical to parent} & \text{Different from parent} \\
\hline
\end{array}
}