Question

in garden peas tall plants dominate short plants. which of the following punnett squares most accurately represents an individual that is heterozygous crossed with another individual that is homozygous tall? 1 2 3 the punnett square labeled 1 none of the choices are accurate the punnett square labeled 3 the punnett square labeled 2

Explanation:

Step1: Determine Genotypes

Heterozygous tall: \( Tt \) (one dominant, one recessive allele). Homozygous tall: \( TT \) (two dominant alleles).

Step2: Analyze Punnett Squares

• Square 1: Parent alleles seem \( Tt \) (top) and \( tt \) (left) – not \( TT \times Tt \).
• Square 2: Top parent: \( T \) (row?), left parent: \( T \) and \( t \) (columns? Wait, correct setup: Homozygous tall (\( TT \)) contributes \( T \) (both gametes), heterozygous (\( Tt \)) contributes \( T \) and \( t \). Square 2 has top \( T \), left \( T \) and \( t \) – gametes \( T \) (from \( TT \)) and \( T, t \) (from \( Tt \)). Cross: \( TT \times Tt \) gives \( TT, TT, Tt, Tt \) – matches Square 2’s cells (\( TT, TT, Tt, Tt \)).
• Square 3: Parent alleles look \( Tt \times Tt \) (both heterozygous) – not \( TT \times Tt \).

Answer:

the punnett square labeled 2