Question

Explain mendel monohybrid cross and dihybrid cross with the help of example

Answer 1

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Answer:

Monohybrid Cross

“A monohybrid cross is the hybrid of two individuals with homozygous genotypes which result in the opposite phenotype for a certain genetic trait.”

“The cross between two monohybrid traits (TT and tt) is called a Monohybrid Cross.”

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Dihybrid Cross

A dihybrid cross is a cross between two individuals that are both heterozygous for two different traits. As an example, let's look at pea plants and say the two different traits we're examining are color and height. ... One dominant allele H for height and one recessive allele h, which produces a dwarf pea plant.

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Answer 2

MONOHYBRID CROSS

1) A monohybrid cross is a genetic cross between homozygous individuals with different alleles for a single gene locus of interest.

2) One character is considered and studied.

3) A single pair of genes is involved.

4) Predicted phenotype ratio is 3 : 1.

5) Important for determining the dominance relationship of the alleles.

6) For example the trait of the length of the pea plant.

DIHYBRID CROSS

1) A dihybrid cross is a genetic cross between individuals with different alleles for two gene loci of interest.

2) Two independent characters are considered and studied.

3) Two pairs of genes are involved.

4) Predicted phenotype ratio is 9 : 3 : 3 : 1.

5) Important for assessing the independent assortment of alleles.

6) For example the shape as well as the Colour of the seeds of pea plants.

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