Chromosomes

Before cell division takes place, DNA has to make an exact copy of itself. This is called

• duplication

• fertilization

• hybridization

• replication

Which of the following refer to the product of meiosis (you may choose more than one)?

• haploid

• diploid

• somatic cells

• gametes

Tags

NGSS.HS-LS3-2

How many chromosomes are found in a human adult egg cell?

• 23

• 46

• 23 pairs

• 46 pairs

The haploid number of human chromosomes is

• 11
• 12
• 23
• 46

Tags

NGSS.HS-LS3-2

The diploid number of human chromosomes is

• 23
• 46
• 92

Tags

NGSS.HS-LS3-2

How many DNA molecules make up a chromosome?

• 1
• 2
• 23
• 46

Tags

NGSS.MS-LS3-1

Each identical side of a chromosome is the 

• centromere
• chromatin
• centriole
• chromatid

Tags

NGSS.MS-LS3-1

When DNA is in its less coiled, "relaxed," state, between cell divisions, it is called

• autosomes
• chromatid
• chromatin
• centromere

The structure that holds two chromosomes together until they separate for cell division is the

• chromatid
• chromatin
• centromere
• cytoplasm

Tags

NGSS.HS-LS1-4

Rod-shaped structures made up of proteins and DNA are called: 

• Centromeres
• Chromosomes
• Histones
• DNA