AP Meiosis and mendel

Chiasmata are most closely related to which of the following?

• crossing over
• fertilization
• cytokinesis
• mitosis

Tags

NGSS.HS-LS3-2

If a stem cell has 24 chromosomes, how many will it have at the end of meiosis?

• 24
• 12
• 6
• the number varies per species

When does crossing over occur?

• Interphase
• Prophase 1
• Prophase 2
• Metaphase 1

Tags

NGSS.HS-LS3-2

Trisomy is a genetic disorder that ________ (mark all that apply)

• has three sets of chromosomes

• has three copies of a particular chromosome

• produces three cells

• is a result of nondisjunction

Meiosis results in ______.

• 4 genetically distinct haploid gametes
• 2 genetically distinct cells
• 2 genetically identical cells
• 4 genetically identical cells

Tags

NGSS.HS-LS3-2

What are alleles

• different forms of the same gene
• an alternate step of the cell cycle
• body cells
• another name for gametes

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

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

• autosome

• replicated

• homologous

• sister

The purpose of meiosis is to form ________ cells.

• body
• sex
• somatic
• brain

Tags

NGSS.HS-LS3-2

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

• tetrad
• triad
• diploid
• gamete

Tags

NGSS.HS-LS3-2

Crossing over helps promote 

• male genotype
• genetic variation
• DNA replication
• mitosis

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-3