Monohybrid and Dihybrid Crosses
Biology ⇒ Genetics and Heredity
Monohybrid and Dihybrid Crosses starts at 9 and continues till grade 12.
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A pea plant with genotype TtYy is crossed with a plant with genotype ttyy. What is the probability of getting a tall plant with yellow seeds?
A plant with genotype TtYy is crossed with a plant with genotype Ttyy. What is the probability of getting a tall plant with green seeds?
Describe what is meant by a test cross.
Explain the difference between genotype and phenotype.
Explain why Mendel chose pea plants for his genetic experiments.
Explain why the 9:3:3:1 ratio is observed in the F2 generation of a dihybrid cross.
If a monohybrid cross is performed between a homozygous dominant and a homozygous recessive individual, what will be the genotype of the F1 generation?
If a pea plant with genotype Tt is crossed with a plant with genotype tt, what percentage of the offspring will be tall?
If a plant with genotype RrYy is crossed with another plant with genotype RrYy, how many different types of gametes can each plant produce?
If a plant with genotype RrYy is self-crossed, how many different genotypes are possible in the offspring?
If a plant with genotype YYRR is crossed with a plant with genotype yyrr, what will be the genotype of the F1 generation?
In a dihybrid cross, if both parents are heterozygous for both traits, what fraction of the offspring will be homozygous for both dominant alleles?
In a dihybrid cross, what is the probability of getting an offspring with both recessive traits if both parents are heterozygous for both traits?
In a monohybrid cross between two heterozygous pea plants (Tt × Tt), what is the expected phenotypic ratio in the offspring?
What is a monohybrid cross?
What is the expected genotypic ratio in the F2 generation of a monohybrid cross?
What is the expected phenotypic ratio in the F2 generation of a dihybrid cross between two heterozygous individuals?
What is the genotype of a homozygous dominant individual for a trait represented by the letter A?
What is the main purpose of performing a dihybrid cross?
What is the probability of getting a homozygous recessive offspring in a monohybrid cross between two heterozygous parents?
