CELL DIVISION, CHROMOSOMES, MITOSIS, AND MEIOSIS

DNA stands for

• detolnucleus alkaline

• deoxyribonucleic acid

• deoxygenated acid

• denitrogenated

Genes are organised into larger structures called

• DNA

• genotypes

• phenotypes

• chromosomes

Tags

NGSS.HS-LS3-1

Cell division for making new cells for replacement, growth and repair is called

• mitosis

• meosis

• fertilization

• interphase

Tags

NGSS.HS-LS1-4

Cell division called _______ is used in the production of sex cells

• mitosis

• meiosis

• fertilization

• interphase

Healthy humans have ______ chromosomes

• 23

• 42

• 46

• 92

Human sex cells contain ______ chromosomes

• 23

• 42

• 46

• 92

Tags

NGSS.HS-LS3-2

Strands of DNA are in the shape of

• a straight line

• a circle

• a mobeius strip

• a double helix

Which of the following happens in both mitosis and meiosis

• DNA rearranges itself into chromosomes

• the chromosomes duplicate

• occurs in gametes

• the daughter cells are identical

What is a chromatid?

• One half of a chromosome
• Condensed chromatin
• Handle for spindle fibers
• Forms spindle fibers

Tags

NGSS.HS-LS1-4

What are chromosomes?

• The control center
• Condensed chromatin
• Handle for spindle fibers
• Microtubules

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-1