Biology Final Review

Humans have ________ pairs of chromosomes.

• 21
• 23
• 46
• None of the above

Tags

NGSS.HS-LS3-1

The structures labeled B are

• centrioles
• chromatids
• centromeres
• chromopheres

Tags

NGSS.HS-LS1-4

A human cell has 46 chromosomes before mitotic division.  How many chromosomes will the daughter cells after mitosis.

• 12
• 23
• 46
• 92

Tags

NGSS.HS-LS1-4

Cells of organism must replicate for ?

• growth
• repair of damaged cells
• replacement of dying cells.
• All of the above

Tags

NGSS.HS-LS1-4

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

Tags

NGSS.HS-LS3-2

Human eggs and sperm are _____, and each has ____ chromosomes.

• diploid, 23
• diploid, 46
• haploid, 23
• haploid, 46

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Identify the phase.

• Metaphase I
• Metaphase II
• Prophase I
• Anaphase II

Tags

NGSS.HS-LS1-4

This diagram  shows which cellular process that occurs in organisms?

• endocytosis
• mitosis
• meiosis
• phagocytosis

Tags

NGSS.HS-LS1-4

Brown fur color is dominant over black fur color. Which of the following is the actual genotype of ALL of the offspring in the next generation of this cross for fur color?
AA x aa

• AA
• Aa
• aa
• brown fur

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1