SB2B

CROSSING OVER INCREASES

• LIFE SPAN

• GENETIC VARIATION

• THE NUMBER OF OFF-SPRING

• ALL ARE TRUE

Tags

NGSS.HS-LS3-2

What phase is represented?

• metaphase 1

• metaphase 2

• anaphase 1

• anaphase 2

Tags

NGSS.HS-LS1-4

What phase is represented?

• metaphase 1

• metaphase 2

• anaphase 1

• anaphase 2

Tags

NGSS.HS-LS1-4

This image shows chromosomes during Prophase 1. Which of the following correctly describes the process shown?

• segregation of sister chromatids

• condensation and segregation of alleles

• mutationin which the DNA content of the gene is altered

• crossing - over in which alleles are exchanged

Crossing over in organisms is responsible for...?

• Dominance of genes

• Recombination of genes

• Linkage

• Segregation of alleles

Tags

NGSS.HS-LS3-2

The image is an example of

Crossing over occurs during prophase I of meiosis. Which statement about crossing over is true?

• RNA translation occurs in the smooth endoplasmic reticulum

• Crossing over takes place in backterial cells

• Crossing over produces genetically identical daughter cells

• Crossing over provides genetic diversity in eukaryotic cells

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG

Why is DNA important?

• it is very small and very complicated

• it's in everything

• it serves as the blueprint for traits of all living things

• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and the nucleus

• deoxyribose sugar and phosphate