Meiosis

A _______________ is any sex cell. (egg or sperm)

• zygote

• chromosome

• gamete

• gene

• Homologous chromosome

What is the male sex cell (gamete)?

• sperm

• egg

• allele

• gene

• haploid

Tags

NGSS.HS-LS3-2

What is this diagram showing?

• meiosis

• fertilization

• cellular respiration

• crossing over

Tags

NGSS.HS-LS3-2

The typical human body cell contains 46 chromosomes. How many chromosomes are found in a human sex cell?

• 13

• 23

• 46

• 92

What happens before a cell divides?

• Shrink in size

• Grow and replicate DNA

• Mate together

What are chromosomes?

• Enzymes that cut DNA

• Made up of amino acids

• Genes

• Tightly coiled DNA

Gametes have haploid or diploid number of chromosomes?

• Haploid
• Diploid

Tags

NGSS.HS-LS3-2

Body cells have diploid or haploid number of chromosomes?

• Haploid
• Diploid

Cells NOT used for reproductive purposes

• gametes

• sex cells

• somatic cells

• nomadic cells

Haploid cells

• Contain the full amount of homologous chromosomes

• Contains only one set of chromosomes