Meiosis and mitosis

During which phase of meiosis does crossing-over occur?

• Prophase 1

• Metaphase 1

• Anaphase 1

• Telophase 1

What is the primary purpose of meiosis in sexually reproducing organisms?

• To increase genetic diversity

• To produce identical daughter cells

• To repair damaged cells

• To synthesise proteins

Tags

NGSS.HS-LS3-2

How many chromosomes are present in a human cell at the end of meiosis I?

• 23

• 46

• 92

• 184

Tags

NGSS.HS-LS3-2

During which stage of meiosis do homologous chromosomes separate?

• Prophase I

• Metaphase 1

• Anaphase 1

• Telophase 1

At what point does the reduction division of chromosome number occur in meiosis?

• Prophase 1

• Metaphase 1

• Anaphase 1

• Telophase 1

Meiosis results in cells that are...…..

• Haploid

• Diploid

• Triploid

• tetraploid

what is a chiasma

• A pair of sister chromatids

• The point where crossing over occurs

• A type of spindle fibre

• A phase of meiosis

How does meiosis contribute to evolution?

• By producing identical offspring

• By producing genetic diversity

• By maintaining chromosome number

• By producing somatic cells

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Draw metaphase - mitosis

Tags

NGSS.HS-LS1-4

Draw crossing over

Tags

NGSS.HS-LS3-2