Domain III: Genetics

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

Which statement is TRUE regarding DNA and RNA?

• DNA's sugar is ribose; RNA's sugar is deoxyribose
• DNA is single stranded; RNA is double stranded
• DNA contains thymine; RNA contains uracil
• DNA is in cytoplasm; RNA is in nucleus

Replicate the following strand of DNA: 
AATCATGGA

• AATCATGGA
• TTAGTACCT
• UUAGUACCU
• GGATAUCUA

Transfer RNA (tRNA) is important because it __________.

• Carries amino acids to the ribosome
• Carries ribosomes to the ER
• Carries glucose to mitochondria
• Carries mRNA out of the nucleus

Which type of RNA takes the instructions from the nucleus to the cytoplasm?

• mRNA
• tRNA
• rRNA
• RNA polymerase

The process to go from mRNA to a protein is called ____

• transcription
• rRNA
• replication
• translation

Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand: 
GTAGTCA

• UATUAGA
• ACGACTG
• CAUCAGU
• CATCAGT

What process is going on in this photo? 

• Transcription 
• Translation 
• Replication 
• All the above 

Tags

NGSS.HS-LS1-1

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• homozygous
• hetrozygous
• protein
• chromosome

Tags

NGSS.HS-LS3-1