What effect does crossing over have on genetic variability in gametes?

• It decreases genetic variability

• It increases genetic variability

• It has no effect on genetic variability

• It eliminates genetic variability

Tags

NGSS.HS-LS3-2

Describe the final products of a cell undergoing meiosis.

• Two genetically identical diploid cells

• Four genetically identical diploid cells

• Two genetically unique haploid cells

• Four genetically unique haploid cells

What are common characteristics of budding?

• Asexual, identical offspring

• Sexual, identical offspring

• Asexual, varied offspring

• Sexual, varied offspring

Tags

NGSS.MS-LS3-2

What are common characteristics of binary fission?

• Asexual, 2 daughter cells (offspring) are genetically identical to the parent

• Sexual, 4 daughter cells (offspring) are genetically different from the parent

• Asexual, 2 daughter cells (offspring) are genetically different from the parent

• Sexual, 3 daughter cells (offspring) are genetically identical to the parent

Tags

NGSS.MS-LS3-2

How is genetic continuity (variation) ensured through meiosis in sexually reproducing organisms?

• By the random fertilization of gametes

• Through mitotic cell division

• Two divisions of the cell and the exchange of genetic material during crossing over

• Through uniform distribution of chromosomes

Tags

NGSS.HS-LS3-2

What genetic processes during meiosis contribute to diversity in gametes?

• Crossing over leading to the genetic diversity of gametes

• DNA replication and transcription

• Mitosis and cytokinesis

• Translation and protein folding

Identify common causes of mutations in cells.

• Insertion of a nucleotide into DNA, which changes the base sequence

• Ribosomes moving around the ER more

• More chlorophyll being produced as a result of more sunlight

• None of the above

Tags

NGSS.HS-LS3-2

How do different UV wavelengths impact mutation rates in skin cells?

• Only UVA increase mutation rates significantly

• Have no impact on mutation rates

• UVB decreases mutation rates

• Both

  increase rates

Tags

NGSS.HS-LS3-2

If one strand of DNA is "ATG CTG", what is its complementary strand (think about base pairing rules)?

• TAC GAC

• CAT GAC

• TAC CAG

• TAC GAT

What is the impact of X-rays on cellular DNA sequences (base-pairing)?

• They have no impact on the DNA sequence

• They could cause change in DNA sequence/

  mutations

• They enhance DNA replication

• They are essential for DNA repair

Tags

NGSS.HS-LS3-2