Meiosis, Mutations, and Karyotypes

What phase is  shown in the picture?

• anaphase 1
• anaphase 2
• metaphase 1
• telophase 1

Tags

NGSS.HS-LS1-4

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

What causes genetic variation in meiosis?

• chromosomes lining up
• crossing over of chromosomes
• separation of chromosomes
• chromosomes pulling apart

Tags

NGSS.HS-LS3-2

Unlike mitosis, meiosis in male mammals results in the formation of

• one haploid gamete
• three diploid gametes
• four diploid gametes
• four haploid gametes

Tags

NGSS.HS-LS3-2

When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs

• crossing over
• mutagenesis
• hybridization
• fertilization

What kind of cells are made in MEIOSIS?

• Haploid Gametes
• Diploid Somatic Cells
• Skin Cells
• Liver Cells

Tags

NGSS.HS-LS3-2

Diploid Cells are represented by

• 2n
• n
• 4n
• 1/2 n

If the Diploid number of Carrots is 18, the haploid number is

• 18
• 9
• 27
• 36

If a somatic cell in a butterfly contains 24 chromosomes, a butterfly egg would contain

• 3
• 6
• 12
• 24

Tags

NGSS.HS-LS3-1

The process of crossing over occurs in what phase of meiosis?

• anaphase 1
• prophase 1
• prophase 2
• telophase 1