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प्रश्न
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.
Give a reason why only tall plants are observed in F1 progeny.
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उत्तर
Traits like ‘T’ are called dominant traits, while those that behave like ‘t’ are called recessive traits. Alternatively, accept the definition of dominant and recessive traits with examples of T and t respectively or Alternatively accept the law of Dominance with examples of T and t.
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संबंधित प्रश्न
A homozygous Tall plant (T) bearing red coloured (R) flowers is crossed with a homozygous dwarf plant (t) bearing white flowers (r):
(1) Give the Genotype and Phenotype of the F2 generation.
(2) Give the possible combinations of the gametes that can be obtained from the F2 hybrid.
(3) Give the dihybrid ratio and the phenotype of the offsprings of the F2 generation when two plants of the F1 generation above are crossed.
Complete the following sentence with appropriate word:
A character that is suppressed is _________.
Multiple Choice Question
When two individuals differing in at least one character are crossed, the process is known as:
Explain the law of dominance in a monohybrid cross.
A fruit fly exhibiting both male and female traits is ______.
Two genes ‘A’ and ‘B’ are linked. In a dihybrid cross involving these two genes, the F1 heterozygote is crossed with homozygous recessive parental type (aa bb). What would be the ratio of offspring in the next generation?
What is the difference between genetic drift and change due to natural selection?
Mendel's law of independent assortment is based on F2 ratio of:
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.
