Sem 2

What is the correct sequence of structures from smallest to largest?

• Chromosomes, Gene, DNA, Nucleus, Cell

• Cell, Nucleus, Chromosomes, DNA, Genes

• DNA, Gene, Nucleus, Chromosome, Cell

• Gene, DNA, Chromosomes, Nucleus, Cell

• Gene Nucleus, DNA, Chromosome, Cell

_______ are sections of DNA that regulate protein and code for specific traits.

• Genes

• Chromosomes

• Proteins

• Mutations

Tags

NGSS.HS-LS3-1

How many pairs of chromosomes do you have?

• 2

• 46

• 23

• 8

Tags

NGSS.HS-LS3-1

having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

What do we call bundles of tightly coiled DNA?

• chromosome

• genes

• traits

• nucleus

Tags

NGSS.HS-LS3-1

What are two chromatids are called that are the same size, shape, and share the same genetic material?

• daughter chromatids

• sister chromatids

• brother chromatids

• twin chromatids

What is structure B?

• chromatid

• centromere

• chromosome

• gene

What is structure D?

• homologous chromosomes

• sister chromatids

• genes

• DNA

Tags

NGSS.HS-LS3-1

What is the purpose of mitosis?

• To increase the surface area of a cell
• To allow cells to divide for growth, repair, and renewal
• For increasing genetic variation within a species
• To allow for DNA replication and protein synthesis

Tags

NGSS.HS-LS1-4

Mitosis results in the formation of...

• Two identical cells with all of the original chromosomes
• Two different cells with half of the original chromosomes
• Four identical cells with all of the original chromosomes
• Four different cells with half of the original chromosomes

Tags

NGSS.HS-LS1-4