
Choose the correct statements for co-dominance and incomplete dominance respectively from the following.
(i) Codominance
(ii) In complete dominance
(A) generation did not resemble either of the two parents.
(B) In generation new traits other than parents will be expressed.
(C) In generation, the progeny resembles both parents equally.
(D) generation will show a 3:1 ratio.
(ii) In complete dominance
(B) In generation new traits other than parents will be expressed.
(C) In generation, the progeny resembles both parents equally.
(D) generation will show a 3:1 ratio.


Important Questions on Principles of Inheritance and Variation
Match the following:
Karyotype of Drosophila | Sex | ||
A) | Metafemale | ||
B) | Female | ||
C) | Intersex | ||
D) | Metamale | ||
Male |
The correct match is

In which of the organism, the following type of sex determination is possible

I. Organism with is fertile triploid female
II. Organism with is fertile triploid male
III. Organism with is an intersex
IV. Organism with is metafemale
Which of the above are correct?

Reason (R): Human males are heterogametic
The correct option among the following is


Statement I : All the three types of allosomal genes - linked, linked and linked are present only in male human being.
Statement II : Only linked and not linked genes are present in female human being.
The correct option among the following is


Statement (S): The heterozygous individuals for sickle-cell anaemia express disease phenotype and also carriers of the disease.
Reason (R): genotype individuals are resistant to severe effects of malaria.
The correct answer is
