posted a question

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
Attachment Preview:
  • StevensDeanneIP3SCIE.docx Download Attachment

    Questions

    Student Response

    Part I
    Original DNA Strand:

    Transcription (base sequence of RNA):

    Translation (amino acid sequence):
    3’­TACCCTTTAGTAGCCACT­5’
    5'-AUG/GGA/AAU/CAU/CGG/UGA-3'...
    Show more