Ch. 10 Meiosis 1

Question 0

Prophase 1

Answer 0

• DNA coils and spindle forms
• homologous chromosomes line up with each other
• chromatids in a tetrad pair tightly
• CROSSING OVER CAN OCCUR

Question 1

Interphase

Answer 1

Chromosomes are replicated and then consist of two identical sister chromatids, held together by a centromere.

Question 2

Metaphase 1

Answer 2

• centromere of each chromosome becomes attached to a spindle fiber
• S. F. Pulls tetrad into MIDDLE

Question 3

Anaphase 1

Answer 3

-starts as homologous chromosomes, each with its 2 chromatids, separate and move to opposite ends if cell

Question 4

Telophase 1

Answer 4

• reverse order as prophase 1
• spindle broken down
• chromosome uncoil
• cytoplasm divides to make 2 new cells