Advertisements
Advertisements
प्रश्न
Very Short Answer Question.
What are holandric traits?
Advertisements
उत्तर
The traits that are controlled by genes present only on the Y chromosome are known as holandric traits.
APPEARS IN
संबंधित प्रश्न
find odd one from following: Typhoid, Haemophilia, Albinism, Colour blindness.
Match the terms in column I with their explanations in column II.
| Column I (Term) | Column I (Explanation) | ||
| a | genetics | 1 | Chromosomes similar in size and shape |
| b | Autosomes | 2 | The alternative forms of a gene |
| c | Recessive gene | 3 | Study of laws of inheritance of characters |
| d | Allele | 4 | A gene that can express only when in a similar pair |
| e | Homologous chromosomes | 5 | Chromosomes other than the pair of sex chromosomes |
Give Technical Term:
Name a genetic disease in which a person cannot distinguish red and green colour.
Short Answer Question.
Observe the given pedigree chart and answer the following question.

Give an example of a trait in human beings which shows such a pattern of inheritance.
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.
Father of a child is colourblind and mother is carrier for colourblindness, the probability of the child being colourblind is ____________.
What is criss-cross inheritance?
The genes present on non-homologous part of Y-chromosome are called ____________.
