Download App

STD 12 - 4. principal of inheritance and variation — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 4. principal of inheritance and variation4 Marks
MCQ
An organism with two identical alleles for a given trait is
  • ✓
    Homozygous
  • B
    Segregating
  • C
    Dominant
  • D
    A hermaphrodite
✓

Answer

Correct option: A.
Homozygous
a
(a) The homozygote is pure for the character and breeds true, that is, it gives rise to offspring having the same character on self breeding. e.g., $TT$ or $tt.$

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

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Cirrhosis of liver is caused by the chronic intake of
→
Which is correct for inheritance of autosome linked recessive gene?
→
A person with unknown blood group under $ABO$ system, has suffered much blood loss in an accident and needs immediate blood transfusion. His one friend who has a valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend?
→
Darwinian fitness can be estimated by
→
The extinct human who lived $1,00,000$ to $40,000$ years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating fore heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was
→
Cartilaginous joints in humans
→
Which statements are used to explain law of dominance of principles of inheritanc
(i) Characters are controlled by multiple units.
(ii) Only one of the parental characters express in F1 generation in a monohybrid cross.
(iii) Alleles do not show any blending in F1.
(iv) Factors occur in pairs.
(v) In a dissimilar pair of factors one member of the pair dominates over the other.
(vi) Characters are recovered as such in the F. generation though one of these is not seen at the F1 stage.
→
Dendrites transmit impulses towards the
→
The joint between skull and atlas which allows nodding movement is called
→
Select the correct statements with reference to chordates.

$A$. Presence of a mid-dorsal, solid and double nerve cord.

$B$. Presence of closed circulatory system.

$C$. Presence of paired pharyngeal gill slits.

$D$. Presence of dorsal heart

$E$. Triploblastic pseudocoelomate animals.

Choose the correct answer from the options given below:

→