Meiosis

Chromosomes are made of (choose all correct answers)

• 1. Lipids

• DNA

• Proteins

• 1. Water

Where are chromosomes located?

(a)  

1. A chromosome consists of 2

• Spindles

• Chromatids

• Centrioles

• Nuclei

1. Homologous chromosomes are

4. None of the above

• 1. 2 corresponding chromosomes that carry the same genes

• 1. 2 unrelated chromosomes that do not have the same genes

• 1. 2 small parts of a larger chromosome

• None of these

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

1. Which of the following statements are true about homologous chromosomes? Circle all that are true.

• 1. They are a pair of chromosomes

• 1. They are similar

• 1. Their genes are in different orders

• 1. They are identical

• 1. They carry the same genes in the same order

1. When an egg is fertilized, it becomes a (a)   .

1. In which phase of meiosis do homologous chromosomes pair up?

1. Anaphase II

2. Metaphase I

3. Prophase I

4. Telophase II

• Anaphase II

• Metaphase I

• Prophase I

• Telophase II

1. What is crossing over?

• 1. When 2 chromosomes swap entire chromatids with each other

• 1. When 3 chromosomes pair up instead of 2

• 1. When homologous chromosomes exchange corresponding sections of genes

• 1. When one chromosome crosses over to another cell

Tags

NGSS.HS-LS3-2

1. When does crossing over occur?

• Prophase I

• Anaphase I

• Telophase II

• Metaphase I

1. During which phase do homologous pairs of chromosomes line up across the middle of the cell?

• Prophase I

• Anaphase I

• Telophase II

• Metaphase I