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प्रश्न
Explain the law of dominance in a monohybrid cross.
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उत्तर
Law of dominance states that the offsprings of an individual with contrasting (dissimilar) traits will only express the dominant trait in the F1 generation and both the characters are expressed in the F2 generation. This law also explains the proportion of the 3: 1 ratio in the F2 generation.
संबंधित प्रश्न
State Mendel’s law of Independent Assortment.
Multiple Choice Question
When two individuals differing in at least one character are crossed, the process is known as:
Test cross involves
The process of mating between closely related individuals is ______.
Each gamete carry ______.
Assertion: When the two genes in a dihybrid cross are situated on the same chromosome, the proportion of parental gene combinations is much higher than the nonparental type.
Reason: Higher parental gene combinations can be attributed to crossing over between two genes.
What is the difference between genetic drift and change due to natural selection?
Do genetic combination of mothers play a significant role in determining the sex of a new born?
Sahil performed an experiment to study the inheritance pattern of genes. He crossed tall pea plants (TT) with short pea plants (tt) and obtained all tall plants in F1 generation.
When F1 plants were cross-pollinated with plants having tt genes, a total of 800 plants were produced. How many of these would be tall, medium height or short plants? Give the genotype of F2 generation.
Describe the dihybrid cross upto F2 generation as conducted by Gregor Mendel using pure lines of Garden Pea for characters-seed shape and seed colour.
