AP BIOLOGY

HEREDITY

MONOHYBRID CROSS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
T = tall an t = shortTT and Tt would result in the following phenotype
A
short
B
tall
C
medium sized
D
neither tall or short
Explanation: 

Detailed explanation-1: -As the given genotype is Tt, it’s a heterozygous condition and in heterozygous condition the dominant trait (T-tall) will express itself. Hence, the phenotype of Tt will be a tall plant. Q.

Detailed explanation-2: -Phenotypes for plant height are tall or short. TT and Tt genotypes both expressed the tall phenotype because the T is dominant to t. Only the tt genotype expressed the short phenotype.

Detailed explanation-3: -In an organism, tall phenotype is dominant over recessive phenotype, and alleles are designated as T and small t, respectively.

Detailed explanation-4: -In pea plants, tallness (T) is dominant to shortness (t). A homozygous dominant plant is crossed with a homozygous recessive one.

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