Genetics
mRNA
Protein Synthesis
Protein Synthesis Again
Codon Chart
100

Number of strands in DNA

What is 2

100

Nitrogen base that pairs with adenine

What is thymine

100
Nucleic Acid that transfers each amino acid to the ribosome
What is tRNA
100
The 3 parts of a nucleotide
What is a base, phosphate group, and sugar
100

How many codons code for an amino acid?

1

200

A segment of DNA that codes for a protein.

Gene

200
Location of transcription
Nucleus
200
Location of translation
What is ribosome
200
Location of translation.

What is a ribosome (or cytoplasm)

200

CCU codes for this amino acid.

Pro (proline)

300

Blood type is a genetically determined trait. Two siblings donate blood and find out their blood types. The brother is Type A and the sister is Type B. Why do the siblings have different blood types?

A. The brother has a different number of blood type genes than his sister.

B. The brother’s blood type gene is on a different chromosome than his sister’s.

C. The brother has different alleles for the blood type gene than his sister does.

D. The brother has a different number of chromosomes than his sister does.

C. The brother has different alleles for the blood type gene than his sister does. 

300

Process that uses DNA to make mRNA

What is transcription

300
Product of translation
What is polypeptide chain (protein)
300
mRNA is used to a make amino acids.

Who is translation

300

Number of nitrogen bases in a codon.

What is 3

400

The flower color characteristic in a plant is determined by red (R) and white (r) alleles. If the only three possible genotypes are RR, Rr, and rr, and the two possible phenotypes are red and white, what is the pattern of inheritance?

A. polygenic

B. co-dominance

C. multiple alleles

D. complete dominance

D. complete dominance

400
Differences between RNA and DNA
What is RNA uses ribose, is single stranded, and contains uracil
400

Molecule that carries a message from the nucleus to ribosome

What is mRNA

400

Nitrogen base found in RNA but not DNA

What is uracil

400

What is nondisjunction?

A. chromosomes failing to separate during cell division

B. homologous chromosomes exchanging alleles for the same genes

C. a segment of a chromosome breaks off and attaches to another chromosome

D. the transfer of a sequence of genes from one organism to another

A. chromosomes failing to separate during cell division 

500

Scientists are researching a large family, many of whose members have JacksonWeiss Syndrome, a disease that causes bone problems. The scientists noticed that every person with Jackson-Weiss Syndrome had a parent who also had the disease. What conclusion can be made about Jackson-Weiss Syndrome?

A. It is not a genetic disease.

B. It is a genetic disease caused by a recessive allele.

C. It is a genetic disease caused by a dominant allele.

D. It is a genetic disease caused by a mutation in the child’s DNA.

C. It is a genetic disease caused by a dominant allele. 

500

Describe the process happening in the image.

What is protein synthesis (making a protein)

500
The start codon
What is AUG (Methionine)
500

Role of a ribosome during protein synthesis.

Make protein using mRNA

500

CUG mutates to become CUU. What will happen? 

A. It will result in an incomplete protein that does not function properly.

B. It will result in a protein with a different amino acid sequence and different function.

C. It will result in a protein with the same amino acid sequence but a different function.

D. There will be no change in amino acid sequence or protein function.


D. There will be no change in amino acid sequence or protein function.