What is sickle cell anaemia? - Vidyadip

Question

What is sickle cell anaemia?

✓

Answer

Monohybrid cross:
Phenotypic ratio – 3 : 1
Genotypic ratio – 1 : 2 : 1

Dihybrid cross:
Phenotypic ratio – 9 : 3 : 3 : 1
Genotypic ratio – 1 : 2 : 2 : 1 : 4 : 1 : 2 : 2 : 1.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Questions]" from Heredity→Heredity — all question types→Science STD 10 question papers→Tamilnadu Board STD 10 question papers→Tamilnadu Board question paper generator→

Similar questions

Distinguish electric power and electric energy?

What are the characteristic feature of transfer of heat energy?

How dirt is washed away with the soap?

Suggest a reason for each observation given below.

The cross-section of a plant material shown the following features on viewing under the microscope.
(a) Radially arranged Vascular bundles
(b) Xylem is exarch and polyarch
(c) Metaxylem is polygonal in shape.
Identify the slide.

What is Bio – fortification? Give any two examples.

What were the important discoveries that led to the stepping stones of recombinant DNA technology?

If ten volumes of dihydrogen gas react with five volumes of dioxygen gas, how many volumes of water vapour could be produced?

Where we use the phrase – “Like dissolves Like” and explain the meaning of the phrase?

A flask P contains 0.5 moles of oxygen gas. Another flask Q contains 0.4 moles of ozone gas. Which of the two flasks contains greater number of oxygen atoms?