Meiosis

What causes genetic variation in meiosis?

• chromosomes uncoil

• crossing over of chromosomes

• separation of chromosomes

• chromosomes pulling apart

Tags

NGSS.HS-LS3-2

What kind of cells are made in MEIOSIS?

• Haploid cells
• Diploid Cells
• Skin Cells
• Liver Cells

Tags

NGSS.HS-LS3-2

If the diploid number of carrots is 18, the haploid number is

• 18

• 9

• 27

• 36

The chromosomes that pair up during meiosis, are called __________ chromosomes.  

• homozygous 
• asexual
• homologous
• genes

Tags

NGSS.HS-LS3-2

When homologous chromosomes match up, they form a structure call a ___________.

• tetrad (pair of chromosomes, one from mom and one from dad)
• triad
• diploid
• quad (group of 4 replicated chromosomes, 2 from mom and 2 from dad)

Tags

NGSS.HS-LS3-2

products of meiosis are genetically

• different
• identical

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

Tags

NGSS.HS-LS3-2

Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.

• 23, 46
• 46, 23
• 2, 4
• 50, 100

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many daughter cells does meiosis create?

• 2

• 4

• 8

• 1

Human egg and sperm cells contain 23 chromosomes and are said to be

• Diploid

• Haploid