Principles of I...

The condition of sickle cell anaemia is due to

In pea, yellow seed colour is dominant over green colour. Heterozygous yellow seeded plant is crossed with green seeded plant. The ratio of yellow & green seeded offspring will be

In a given plant, red colour (R) of fruits is dominant over white fruit (r) ; and tallness (T) is dominant over dwarfism (t). If a plant with genotype RRTt is crossed with a plant of genotype rrtt, what will be the percentage of tall plants with red fruits in the next generation?

The offspring of AAbb $$\times$$ aaBB is crossed with aabb. The genotypic ratio of progeny will be

How many combinations of gametes will be produced by an organism with AaBBCc genotype?

Which one of the following symbols and its representation used in human pedigree analysis, is correct?

The first person who induced mutations by using X-rays was

The disease, sickle-cell anaemia, is caused by

The term chromosome was coined by

Sickle cell anemia is caused by