Advertisements
Advertisements
प्रश्न
What is cris-cross inheritance?
Advertisements
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
Name the Following
The type of gene which is not expressed in the presence of a contrasting allele.
Differentiate between:
monohybrid and dihybrid cross (phenotypic ratio)
Explain why generally only the male child suffers from colour blindness and not the female?
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong :
Example : glucose, starch, cellulose, calcium
Odd term : calcium
Category : others are different types of carbohydrates
Chicken pox, Colour blindness, Haemophilia, Albinism
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.

On which chromosome is the gene of this trait located?
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:
Male act as a carrier for colourblindness.
Short Answer Question.
Observe the given pedigree chart and answer the following question.

Identify whether the trait is sex-linked or autosomal.
What are holandric genes?
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 | ______ |
