Select incorrect statement (A) Linked genes cause absolute lethality (B) Persons affected by PKU do

English

Gujarati

Hindi

4.Principles of Inheritance and Variation

medium

Select incorrect statement

$(A)$ Linked genes cause absolute lethality
$(B)$ Persons affected by $PKU$ do not show mental disorder
$(C)$ $F_{2}$ ratio in codominance and incomplete dominance are same
$(D)$ Sex of male Drosophila is dependent on $Y-$chromosome

A

$(A) \;\& \;(B)$

B

$(B) \;\&\; (C)$

C

$(A), (B) \;\&\; (D)$

D

All of these

Solution

Solution is Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Standard 12

Biology

Share

Similar Questions

Match the Column – $I$ with $II$

Column – $I$ Column – $II$

$(a)$ Pleiotropic gene $(i)$ Both allele express equally

$(b)$ Co-dominance $(ii)$ Change in nucleotide

$(c)$ Epistasis $(iii)$ One gene shows multiple phenotypic expression

$(d)$ Mutation $(iv)$ Rust disease

hard

(AIIMS-2019)

Which of the following characteristics represent ‘Inheritance of blood groups’ in humans?
$(a)$ Dominance
$(b)$ Co-dominance
$(c)$ Multiple allele
$(d)$ Incomplete dominance
$(e)$ Polygenic inheritance

medium

(NEET-2018)

What is the correct sequence of the following events

$1.$Formation of the chromosome theory of heredity

$2.$Experiments which proved that $DNA$ is the hereditary material

$3.$Mendel's laws of inheritance-discovery

Code :

medium

Match the following:

Column $- I$ Column $- II$

$(1)$ Inheritance of two genes $(a)\; ABO$ blood group

$(2)$ Incomplete dominance $(b)\; 1:2:1$

$(3)$ Codominance $(c)\;9:3:3:1$

$(4)$ Inheritance of one gene $(d)\; 3:1$

medium

How many sentence are correct ?

$(i)$ Every gene contains the information to express a particular trait.

$(ii)$ Gene responsible for $\beta$ – thalassemia is present on $21^{st}$ pair of autosomal chromosome.

$(iii)$ Mendel's approach of using mathematics to explain biological phenomena was totally new and unacceptable to many of the biologists of his time.

hard