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प्रश्न
Answer the following briefly:
Explain with the help of a chart what will be the colour of a child's hair if father has got dominant gene for black hair and mother has recessive gene for brown hair?
उत्तर
In F1 generation , all progeny produced will be hybrids Bb but will have black hair .
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संबंधित प्रश्न
the Biological/technical term for An alteration in the genetic material that can be inherited.
Give technical terms for Repeated units of DNA molecule
Choose the correct answer:
Haemophilia is due to recessive gene on __________
A family consists of two parents and their five children and the pedigree chart shown below shows the inheritance of the trait colour blindness in them.
What does the child 1 indicate about this trait?
A haemophilic man marries a carrier women. Find out the probability of their offsprings being haemophilic.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Cancer is a genetic disorder.
Identify the CORRECT statement from the following.
What is the probability of son being colour blind is if a colour blind man marries a woman who is homozygous for normal colour vision?
If a carrier woman marries a normal visioned man, what is the percentage possibility of sons being colourblind?
Types of sex- linked genes:
(Haemophilia, Ichthyosis, nephritis, Myopia, Hypertrichosis, Retinitis pigmentosa)
| Column 'A' | Column 'B' | |
| (1) | Completely X- linked genes | ______ |
| (2) | Completely Y- linked | ______ |
| (3) | Incompletely sex-linked genes | ______ |
