Select correct statement:

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4.Principles of Inheritance and Variation

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Select the correct statement:

A

Transduction was discovered by S. Altman

B

Franklin Stahl coined the term “linkage”

C

Spliceosomes take part in translation.

D

Punnett square was developed by a British scientist

(NEET-2018)

Solution

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Standard 12

Biology

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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)

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 :

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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 $(d)\; 3:1$

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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

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A man can inherit his $X-$chromosome from his

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