(B) In male honey bees (drones),gametes are produced by mitosis (equational division) because they are haploid $(n)$. $A$: Klinefelter syndrome $(47,

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Gametes are formed by equational division in male honey bees.

(B) In male honey bees (drones),gametes are produced by mitosis (equational division) because they are haploid $(n)$. $A$: Klinefelter syndrome $(47, XXY)$ is caused by trisomy of sex chromosomes,not monosomy. $C$: Colour blindness is an $X$-linked recessive disorder,meaning it is caused by a defect in sex chromosomes,not autosomes. $D$: Sickle-cell anaemia is caused by a point mutation (substitution of glutamic acid by valine),not a frame-shift mutation.

Class 12 Biology Principles of Inheritance and Variation Mix Examples- Principles of Inheritance and Variation

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Choose the correct option regarding genetic disorders and inheritance patterns.

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A
Klinefelter syndrome is caused due to monosomy of sex chromosomes.
B
Gametes are formed by equational division in male honey bees.
C
Colour blindness is due to a defect in autosomes.
D
Sickle-cell anaemia occurs due to a frame-shift mutation.

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Principles of Inheritance and Variation

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Mix Examples- Principles of Inheritance and Variation

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Which mammals have more yolk than cytoplasm in their eggs?

Medium

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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.

Medium

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How many types of zygotic combinations are possible between a cross $Aa \; BB \; Cc \; Dd \times AA \; bb \; Cc \; DD$?

Medium

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Match the Column-$I$ with Column-$II$:

Column-$I$ Column-$II$

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

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

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

$(d)$ Mutation $(iv)$ Non-allelic gene interaction

Column-$I$	Column-$II$
$(a)$ Pleiotropic gene	$(i)$ Both alleles express equally
$(b)$ Co-dominance	$(ii)$ Change in nucleotide
$(c)$ Epistasis	$(iii)$ One gene shows multiple phenotypic expression
$(d)$ Mutation	$(iv)$ Non-allelic gene interaction

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Which of the following phenomena leads to variation in $DNA$?

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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.

Choose the correct option regarding genetic disorders and inheritance patterns.

Similar Questions

Which mammals have more yolk than cytoplasm in their eggs?

Identify the correct match:ScientistAssociated 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.

How many types of zygotic combinations are possible between a cross $Aa \; BB \; Cc \; Dd \times AA \; bb \; Cc \; DD$?

Match the Column-$I$ with Column-$II$: Column-$I$ Column-$II$ $(a)$ Pleiotropic gene $(i)$ Both alleles express equally $(b)$ Co-dominance $(ii)$ Change in nucleotide $(c)$ Epistasis $(iii)$ One gene shows multiple phenotypic expression $(d)$ Mutation $(iv)$ Non-allelic gene interaction

Which of the following phenomena leads to variation in $DNA$?

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Online Exam Module

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.

Match the Column-$I$ with Column-$II$:

Column-$I$ Column-$II$

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

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

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

$(d)$ Mutation $(iv)$ Non-allelic gene interaction