Answer:
TT * Tt
Tt, Tt, TT, TT
Explanation:
Given -
Patrick is homozygous for tall head
Patricia is heterozygous for her tall head
The little baby Patty has a short head
Let us assume that the traits for short head is represented by "T" and trait for tall head is represented by "t"
Genotype of Patrick is "TT"
and genotype of Patricia is "Tt"
On crossing Patrick and Patricia, following offspring are produced -
TT * Tt
Tt, Tt, TT, TT
Out of four two are heterozygous tall headed and two are homozygous short headed.
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Well for both of them to survive they need oxygen, food, water amino acids, and a way to leave waste, but that depends on the type of cell
