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प्रश्न
What is cris-cross inheritance?
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उत्तर
Criss-cross inheritance is a pattern of inheritance in which a trait is transmitted from father to daughter and then from daughter to her son.
APPEARS IN
संबंधित प्रश्न
Differentiate between:
character and trait.
In a certain species of animals, black fur (B) is dominant over brown fur (b) Show the possible ratio of genotypes and phenotypes of the offspring of the pure breeding different coloured parents.
Choose the correct answer:
A carrier haemophilic woman marries a haemophilic man. What are the chances for her progeny to be haemophilic?
Why do men suffer from hemophilia and colour blindness? Under what conditions do women suffer from these disorders?
Explain the Term Linkage.
Long answer type question.
In the answer for inheritance of X-linked genes, Madhav had shown carrier male. His answer was marked incorrect. Madhav was wondering why his marks were cut. Explain the reason.
Study the following statements and select the correct option.
Statement I: Holandric genes are present on Y chromosome. Statement II: Holandric genes are always inherited from father to son.
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?
Given diagram is a simplified representation of human sex chromosome. The gene A and B could be of ______.
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 | ______ |
