Class 12BiologyPrinciples of Inheritance and VariationMix Examples- Principles of Inheritance and Variation
MediumRead the following statements and identify the correct ones.
$(1)$ Linkage and recombination were first understood in $Lathyrus$ $odoratus$.
$(2)$ Mendel's work was rediscovered by Correns,Tschermak,and de Vries,which was published in $1900$.
$(3)$ $T.H.$ Morgan is considered the father of experimental genetics.
$(4)$ $A$ child born to parents with thalassemia major can be affected by thalassemia.
$(5)$ In birds,the female is homogametic and the male is heterogametic.
$(1)$ Linkage and recombination were first understood in $Lathyrus$ $odoratus$.
$(2)$ Mendel's work was rediscovered by Correns,Tschermak,and de Vries,which was published in $1900$.
$(3)$ $T.H.$ Morgan is considered the father of experimental genetics.
$(4)$ $A$ child born to parents with thalassemia major can be affected by thalassemia.
$(5)$ In birds,the female is homogametic and the male is heterogametic.
- A$5$
- B$3$
- C$4$
- D$2$
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Similar Questions
Identify the correct match:
Scientist Associated with $(i)$ William Bateson $(a)$ Rediscovered Mendel's work. $(ii)$ $T$.$H$. Morgan $(b)$ Discovered that genes are made of $DNA$. $(iii)$ $O$.$T$. Avery $(c)$ Coined the term Genetics. $(iv)$ Hugo de Vries $(d)$ Prepared the first genetic map.
| Scientist | Associated with |
| $(i)$ William Bateson | $(a)$ Rediscovered Mendel's work. |
| $(ii)$ $T$.$H$. Morgan | $(b)$ Discovered that genes are made of $DNA$. |
| $(iii)$ $O$.$T$. Avery | $(c)$ Coined the term Genetics. |
| $(iv)$ Hugo de Vries | $(d)$ Prepared the first genetic map. |
Medium
View SolutionMatch the terms in Column-$I$ with their descriptions in Column-$II$ and select the correct option.
Column-$I$ Column-$II$ $(A)$ Dominance $(1)$ Many genes govern a single character. $(B)$ Co-dominance $(2)$ In a heterozygous organism, only one allele expresses itself. $(C)$ Pleiotropy $(3)$ In a heterozygous organism, both alleles express themselves fully. $(D)$ Polygenic inheritance $(4)$ $A$ single gene influences many characters.
| Column-$I$ | Column-$II$ |
| $(A)$ Dominance | $(1)$ Many genes govern a single character. |
| $(B)$ Co-dominance | $(2)$ In a heterozygous organism, only one allele expresses itself. |
| $(C)$ Pleiotropy | $(3)$ In a heterozygous organism, both alleles express themselves fully. |
| $(D)$ Polygenic inheritance | $(4)$ $A$ single gene influences many characters. |
Medium
View SolutionIn which one of the following combinations $(a-d)$ of the number of chromosomes is the present day hexaploid wheat correctly represented?
Combination Monosomic,Haploid,Nullisomic,Trisomic
| Combination | Monosomic,Haploid,Nullisomic,Trisomic |
Medium
View SolutionWhich of the following statements are false?
$I.$ $A$ dominant allele determines the phenotype when paired with a recessive allele.
$II.$ $A$ recessive allele is weaker than a dominant allele.
$III.$ $A$ recessive allele does not show its effects when paired with a dominant allele.
$IV.$ $A$ dominant allele is always better for an organism.
$I.$ $A$ dominant allele determines the phenotype when paired with a recessive allele.
$II.$ $A$ recessive allele is weaker than a dominant allele.
$III.$ $A$ recessive allele does not show its effects when paired with a dominant allele.
$IV.$ $A$ dominant allele is always better for an organism.
Medium
View SolutionExample of intergenic gene interaction is/are
Medium
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