Q
Part I
Original DNA Strand:
3’-TACCCTTTAGTAGCCACT-5’
Transcription (base sequence of RNA):
5'-AUG/GGA/AAU/CAU/CGG/UGA-3'
Translation (amino acid sequence):
What is the significance of the first and last codons?
Explanation:
What meaning do these codons have for protein synthesis? Explanation:
Mutation Transcriptions
Original sequence:
3’- TACCCTTTAGTAGCCACT-5’
Transcribe the Mutations of RNA:
3’-TACGCTTTAGTAGCCATT-5'
3’-TAACCTTTACTAGGCACT-5’.
Transcriptions of Mutations:
Translations of Mutations (amino acid sequences for each):
Does the protein sequence change for either of these examples? If so, how? Response:
Explain in general why a change in amino acid sequence might affect protein function.
Explanation:
GRAPHIC ORGANIZER
Part II
Punnett Square
a. Chances (%) for healthy child, not a carrier
b. Chances (%) for child that is carrier for cystic fibrosis trait
c. Chances (%) for child with cystic fibrosis
Fill out/adapt Punnett Square:
a. Chances (%) for healthy child, not a carrier:
b. % for child that is carrier for cystic fibrosis trait:
c. % for child with cystic fibrosis:
Part III
How do both meiosis and sexual reproduction (fertilization) produce offspring that differ genetically from the parents?
• Include steps in meiosis that increase variability
• Include the process of fertilization. Explanation:
References
Part I
Original DNA Strand:
3’-TACCCTTTAGTAGCCACT-5’
Transcription (base sequence of RNA):
5'-AUG/GGA/AAU/CAU/CGG/UGA-3'
Translation (amino acid sequence):
What is the significance of the first and last codons?
Explanation:
What meaning do these codons have for protein synthesis? Explanation:
Mutation Transcriptions
Original sequence:
3’- TACCCTTTAGTAGCCACT-5’
Transcribe the Mutations of RNA:
3’-TACGCTTTAGTAGCCATT-5'
3’-TAACCTTTACTAGGCACT-5’.
Transcriptions of Mutations:
Translations of Mutations (amino acid sequences for each):
Does the protein sequence change for either of these examples? If so, how? Response:
Explain in general why a change in amino acid sequence might affect protein function.
Explanation:
GRAPHIC ORGANIZER
Part II
Punnett Square
a. Chances (%) for healthy child, not a carrier
b. Chances (%) for child that is carrier for cystic fibrosis trait
c. Chances (%) for child with cystic fibrosis
Fill out/adapt Punnett Square:
a. Chances (%) for healthy child, not a carrier:
b. % for child that is carrier for cystic fibrosis trait:
c. % for child with cystic fibrosis:
Part III
How do both meiosis and sexual reproduction (fertilization) produce offspring that differ genetically from the parents?
• Include steps in meiosis that increase variability
• Include the process of fertilization. Explanation:
References