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प्रश्न
___________ is the scientific name of garden pea, which Mendel used for his experiments.
उत्तर
Pisum sativum is the scientific name of garden pea, which Mendel used for his experiments.
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संबंधित प्रश्न
Using a Punnett square, work out the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus.
In a homozygous pea plant, axial flowers (A) are dominant over terminal flowers (a).
(i) What is the phenotype and genotype of the F1 generation if a plant bearing pure axial flowers is crossed with a plant bearing pure terminal flowers?
(ii) Draw a Punnett square board to show the gametes and offsprings when both the parent plants are heterozygous for axial flowers.
(iii) What is the phenotypic ratio and genotypic ratio of the above cross shown in (ii)?
(iv) State Mendel’s Law of Dominance.
(v) Name two genetic disorders commonly seen in human males.
The cross between two parents having one pair of contrasting characters
Distinguish between monohybrid and dihybrid cross.
Define the following:
Recessive
Explain the following term : Homozygous
Give Reason:
Heritable variations are called genetic variations.
In his cleric experiments on pea plants, Mendel did not use:
Assertion: Height in pea plants is controlled by the efficiency of enzymes and is thus genetically controlled.
Reason: Cellular DNA is the information source for making proteins in the cell.
At which stage, did Mendel observe the segregation of alleles in garden pea plants?
