View the step-by-step solution to:

Questions Student Response Part I Original DNA Strand: Transcription (base sequence of RNA): Translation (amino acid sequence):


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
Questions Student Response Part I Original DNA Strand: Transcription (base sequence of RNA): Translation (amino acid sequence): Explanation: What meaning do these codons have for protein  synthesis?  Explanation: Mutation Transcriptions Original sequence: Transcribe the Mutations of RNA: Transcriptions of Mutations: Translations of Mutations (amino acid sequences for each): 3’-TACCCTTTAGTAGCCACT-5’ 5'-AUG/GGA/AAU/CAU/CGG/UGA-3' 3’- TACCCTTTAGTAGCCACT-5’ 3’-TAC G CTTTAGTAGCCA T T-5' 3’-TA A CCTTTA C TAG G CACT-5’.
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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
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