DNA , Genetics and Mutations

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

Tags

NGSS.HS-LS1-1

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• ribosome
• nucleus

Tags

NGSS.HS-LS1-1

Which of the following is a codon?

• AAGA
• ATAU
• AUG
• AUT

This type of RNA takes a copy of the genetic code for a protein from the nucleus to the ribosomes.

• mRNA
• tRNA
• gRNA
• rRNA

Which of the following cell types is formed by meiosis?

• skin cells
• sperm cells
• blood cells
• muscle cells

Tags

NGSS.HS-LS3-2

Which of the following statements correctly describes meiosis?

• Meiosis does not occur in reproductive cells.
• The cells produced at the end are identical 
• the cells produced at the end contain half the # of chromosomes
• cells divide only once during meiosis

Tags

NGSS.HS-LS3-2

When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, ____ occurs.

• mutagenesis
• hybridization
• crossing over
• fertilization

It is a form of a gene:

• a. chromosome

• b. allele

• c. phenotype

• trait

Tags

NGSS.HS-LS3-1

It is the genetic make-up of an organism:

• a. allele
• b. phenotype
• c. genotype
• hybrid

Tags

NGSS.HS-LS3-1

There are two different alleles in a particular gene:

• a. homologous

• b. heterozygous

• c. homozygous

• Pure bred

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2