Advertisements
Advertisements
प्रश्न
Name any two genetic in humans.
उत्तर
Colour-blindness, Thalassaemia, Sickle cell anaemia and Haemophilia
APPEARS IN
संबंधित प्रश्न
Differentiate between 'ZZ' and 'XY' type of sex-determination mechanisms.
Name the species used in sericulture. Name the stages in the life cycle of a silk moth in cyclic form.
E is the gene for brown eye colour and an is the gene for blue eye colour. which gene is (1) recessive, and (2) dominant?
Drone of the honeybees shows haploid number of chromosomes. Illustrate.
Explain the mechanism of sex determination in humans with a suitable chart.
Distinguish between heterogametic and homogametic sex determination systems.
Which type of sex determination is observed in honey bee?
Select the statements that describe characteristics of genes
- genes are specific sequence of bases in a DNA molecule
- a gene does not code for proteins
- in individuals of a given species, a specific gene is located on a particular chromosome
- each chromosome has only one gene
Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that
A zygote which has Y chromosome inherited from the father will develop into a ______.
