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Martian Genetics
Name
On Mars, Martians have the following traits:
G = green skin
g = blue skin
A = 3 antenna
a = 1 antenna
T = long tail
t = short tail
1.
Complete the following monohybrid cross: GG X Gg
2. Complete the following dihybrid cross: AaTt X AATt
3. What is the genotype ratio?
4. What is the phenotype ratio?
5. On the back of this paper, complete a Punnett square for a Martian mom heterozygous for
skin color and tail length and a Martian dad homozygous recessive for skin color and
heterozygous for tail length.
6. What proportion of their little Martians will be green with short tails?
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