1. Warm-Up (2/4)
Answer the following questions, and explain in a complete sentence why each answer is correct.
A DNA sequence is AGCTAG. Which of the following changes to the DNA sequence will not affect the protein produced?
The DNA sequence becomes ACGTAG
The DNA sequence becomes AGCTGA
The DNA sequence becomes AGATAA
The DNA sequence becomes TAGAGC
If a paramecium (a one-celled organism) divides itself and produces two identical daughter cells, it most likely underwent –
Meiosis
Dihybrid cross
Sexual reproduction
Asexual reproduction

2. X Y X Non-Mendelian Genetics XX XY XX XY
Mendelian Genetics is the normal way: AA (homo): dominant trait Aa (hetero): dominant trait aa (homo): recessive trait
Sex-linked: gene is on the X chromosome.
XX: girl
XY: boy
X Y X XX XY XX XY

3. XA Y XA Xa Non-Mendelian Genetics
Mendelian Genetics is the normal way: AA (homo): dominant trait Aa (hetero): dominant trait aa (homo): recessive trait
Sex-linked: gene is on the X chromosome.
XA: dominant allele on X.
Xa: recessive allele on X.
XA Y XA Xa
XAXA
XAY
DOM
DOM
XAXa
XaY
DOM
REC

4. XE Y Xe Non-Mendelian Genetics
Mendelian Genetics is the normal way: AA (homo): dominant trait Aa (hetero): dominant trait aa (homo): recessive trait
Sex-linked: gene is on the X chromosome.
XE: normal eyesight, on X.
Xe: color-blind on X.
XE Y Xe
XEXe
XeY
DOM
REC
XEXe
XeY
DOM
REC

5. Carousel Activity
6 questions for a 70%,
12 questions for a 100%.

6. Closure
Answer the following question in a complete sentence:
Name
Date
Period
What is the difference between codominance and incomplete dominance?
Scale from 1-10