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In a homozygous plant round seeds (R) ar...

In a homozygous plant round seeds (R) are dominant over wrinkled seeds (r):
Briefly explain the term 'Mutation'.

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A chemical change in the gene which may produce new traits that can be inherited, is known as mutation.
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In a homozygous plant round seeds (R) are dominant over wrinkled seeds (r): What is the number of chromosomes in the gametes of human beings?

In a homozygous plant round seeds (R) are dominant over wrinkled seeds (r): Name the sex chromosomes in human males and females.

In a homozygous plant round seeds (R) are dominant over wrinkled seeds (r): Mention the Phenotype and Genotype ratios of the offspring in F_2 generation.

In a homozygous plant round seeds (R) are dominant over wrinkled seeds (r): Draw a Punnett square to show the gametes and offspring when both the plants have heterozygous round seeds (Rr).

In a homozygous pea plant, axial flowers (A) are dominant over terminal flowers (a). What is the phenotypic ratio and genotypic ratio of the above cross shown in (ii)?

In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F_(2) -generation of the cross RRYY xx rryy ?

In a homozygous pea plant, axial flowers (A) are dominant over terminal flowers (a). State Mendel's Law of Dominance.

In a homozygous pea plant, axial flowers (A) are dominant over terminal flowers (a). Name two genetic disorders commonly seen in human males.

Given below is a schematic diagram showing Mendel's Experiment on sweet pea plants having axial flowers with round seeds (AARR) and Terminal flowers with wrinkled seeds (aarr). Study the same and answer the questions that follow : Name and explain the law induced by Mendel on the basis of the above observation.

Given below is a schematic diagram showing Mendel's Experiment on sweet pea plants having axial flowers with round seeds (AARR) and Terminal flowers with wrinkled seeds (aarr). Study the same and answer the questions that follow : Give the phenotypic ratio of F_2 progeny.

ICSE-SAMPLE PAPER 2015-SECTION-II
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