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प्रश्न
For the expression of traits genes provide only the potentiality and the environment provides the opportunity. Comment on the veracity of the statement.
उत्तर
Phenotype = Genotype + Environment
(Trait) (potentiality) (opportunity)
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संबंधित प्रश्न
A cross was carried out between two pea plants showing the contrasting traits of height of the plants. The result of the cross showed 50% parental characters.
(i) Work out the cross with the help of a Punnett square.
(ii) Name the type of the cross carried out.
A garden pea plant (A) produced inflated yellow pod, and another plant (B) of the same species produced constricted green pods. Identify the dominant traits.
How are Mendelian inheritance, polygenic inheritance and pleiotropy different from each other?
Explain polygenic inheritance pattern with the help of a suitable example.
A teacher wants his/her students to find the genotype of pea plants bearing purple coloured flowers in their school garden. Name and explain the cross that will make it possible
Mention any two contrasting traits with respect to seeds in pea plant that were studied by Mendel.
A polygenic inheritance in human beings is ______.
______ is a type of trait whose phenotype is influenced by more than one gene.
A polygenic trait is controlled by 3 gene A, B and C. In a cress AaBbCc × AaBbCc, the phenotypic ratio of the offspring's was observed as 1 : 6 : × 20 X : 6 : 1 - what is the possible value of X?
The pedigree chart given below represents the pattern of inheritance of sickle cell anemia in a family. Study it carefully and answer the questions that follow.
- What is the genotype of the father?
- What is the phenotype of the mother?
