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प्रश्न
Which one of the following is a true pleiotropic gene?
पर्याय
HbA
HbS
HbD
HbP
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उत्तर
HbS
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संबंधित प्रश्न
If two individuals with blood group 'AB' marry and have sufficiently large number of children, these children could be classified as 'A' blood group : 'AB' blood group: 'B' blood group in 1 : 2 : 1 ratio. Modem technique of protein electrophoresis reveals presence of both 'A' and 'B' type proteins in 'AB' blood group individuals. This is an example of ______.
______ is an example of pleiotropy.
______ becomes half-moon-shaped in a person suffering from sickle cell anaemia.
______ refers to a phenomenon in which heterozygotes have features of both the homozygotes, that is, an allele is neither dominant nor recessive to the other.
____________ is the genotypic and phenotypic ratio in incomplete dominance.
The number of phenotypic and genotypic individuals produced during a typical Mendelian monohybrid cross will be ______ and ______ respectively.
Which one of the following is NOT a characteristic of garden pea plants?
Explain the law of dominance and compare how it differs from incomplete dominance and co-dominance.
Fill in the blanks:
| Column 'A' (Gene interactions) |
Column 'B' (Example) |
|
| (1) | Co-dominance | ______ |
| (2) | Incomplete dominance | ______ |
| (3) | Multiple allelism | ______ |
| (4) | Pleiotropy | ______ |
| (5) | Polygenes | ______ |
| (6) | Autosomal dominance | ______ |
A pea plant homozygous for yellow round seed is crossed with its recessive parents. Calculate the phenotypic and genotypic ratio with the help of a checkerboard.
