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Selina solutions for Concise Biology Class 10 Icse chapter 3 - Genetics - Some Basic Fundamentals [Latest edition]

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Concise Biology Class 10 Icse - Shaalaa.com

Chapter 3: Genetics - Some Basic Fundamentals

Multiple choice typeVery short answer typeShort answer typeLong answer typeStructured/Application and skill type

Multiple choice type [Page 34]

Selina solutions for Concise Biology Class 10 Icse Chapter 3 Genetics - Some Basic Fundamentals Multiple choice type [Page 34]

Multiple choice type | Q 1.1 | Page 34

Select the most appropriate option

Which one of the following is the phenotypic monohybrid ratio in F2 generation?

  • 3 : 1

  • 1 : 2 : 1

  • 2 : 2

  • 1 : 3

Multiple choice type | Q 1.2 | Page 34

If a pure tall plant is crossed with a pure dwarf plant, then offspring will be

  • all tall

  • all dwarf

  • 3 tall 1 dwarf

  • 50% tall 50% dwarf

Multiple choice type | Q 1.3 | Page 34

The 9:3:3:1 dihybrid ratio is due to

  • segregation

  • crossing over

  • independent assortment

  • homologous pairing

Multiple choice type | Q 1.4 | Page 34

A plant with green pods and smooth seeds with genotype Ggss will give rise to the following gametes:

  • Gg and Ss

  • Gs and ss

  • Gs and gs

  • Gg and gs

Very short answer type [Page 34]

Selina solutions for Concise Biology Class 10 Icse Chapter 3 Genetics - Some Basic Fundamentals Very short answer type [Page 34]

Very short answer type | Q 1 | Page 34

Match the terms in column I with their explanations in column II. 

  Column I (Term)   Column I (Explanation)
a genetics 1 Chromosomes similar in size and shapes
b Autosomes 2 The alternative forms of a gene
c Recessive gene  3 Study of laws of inheritance of characters
d Allele 4 A gene that can express only when in a
similar pair
e Homologous chromosomes 5 Chromosomes other than the pair of sex
chromosomes.
Very short answer type | Q 2 | Page 34

Name any two genetic in humans.

Very short answer type | Q 3 | Page 34

Which one of the following genotypes is homozygous dominant and which one homozygous recessive in regards to tongue rolling:

Short answer type [Page 35]

Selina solutions for Concise Biology Class 10 Icse Chapter 3 Genetics - Some Basic Fundamentals Short answer type [Page 35]

Short answer type | Q 1.1 | Page 35

Differentiate between: 

genotype and phenotype

Short answer type | Q 1.2 | Page 35

Differentiate between: 

character and trait.

Short answer type | Q 1.3 | Page 35

Differentiate between:

monohybrid and dihybrid cross (phenotypic ratio) 

Short answer type | Q 2 | Page 35

Among lion, tiger and domestic cat, al the three have the same number of 38 chromosomes, yet they have different appearances. How do you account for such differences?

Short answer type | Q 3 | Page 35

List any three features of garden pea with their dominant and recessive traits. 

Short answer type | Q 4 | Page 35

Explain why generally only the male child suffers from colour blindness and not the female?  

Short answer type | Q 5 | Page 35

In a certain species of animals, black fur (B) is dominant over brown fur (b) Show the possible ratio of genotypes and phenotypes of the offspring of the pure breeding different coloured parents. 

Long answer type [Page 35]

Selina solutions for Concise Biology Class 10 Icse Chapter 3 Genetics - Some Basic Fundamentals Long answer type [Page 35]

Long answer type | Q 1.1 | Page 35

Explain the following term :
Heterozygous

Long answer type | Q 1.2 | Page 35

Explain the following term : Homozygous

Long answer type | Q 1.3 | Page 35

Explain the following term : Pedigree chart

Long answer type | Q 2 | Page 35

State the three mendel’s laws of inheritance. 

Long answer type | Q 3 | Page 35

Does the sex of the child depend on the father or it is just a matter of chance? Discuss 

Structured/Application and skill type [Page 35]

Selina solutions for Concise Biology Class 10 Icse Chapter 3 Genetics - Some Basic Fundamentals Structured/Application and skill type [Page 35]

Structured/Application and skill type | Q 1 | Page 35

In a certain species of animals, black fur (B) is dominant over brown fur (b) Predict the genotype and phenotype of the offspring when both parents are ‘Bb’ or have heterozygous
black fur . 

Structured/Application and skill type | Q 2 | Page 35

Two pairs (A & B) of rabbits were crossed as given below: 

 (a) Can you tell which coat colour (black or white) is dominant? .............................
(b) Is the coat colour sex-linked? ………………….

Structured/Application and skill type | Q 3.1 | Page 35

Make a punnett square for finding out the proportion of different genotypes in the progeny of a genetic cross between. 

A pure tall (TT) pea plant with a pure dwarf (tt) pea plant. 

Structured/Application and skill type | Q 3.2 | Page 35

Make a punnett square for finding out the proportion of different genotypes in the progeny of a genetic cross between. 

red flower variety of pea (RR) with white flower variety of pea (rr)

Structured/Application and skill type | Q 4.1 | Page 35

A family consists of two parents and their five children and the pedigree chart below shows the inheritance of the trait colour blindness in them.  

Who is colour blind in the parents – the Father or the Mother?  

Structured/Application and skill type | Q 4.2 | Page 35

A family consists of two parents and their five children and the pedigree chart shown below shows the inheritance of the trait colour blindness in them.

How many daughters and how many sons have been born in the family?

Structured/Application and skill type | Q 4.3 | Page 35

A family consists of two parents and their five children and the pedigree chart shown below shows the inheritance of the trait colour blindness in them.

What does the child 1 indicate about this trait?

Structured/Application and skill type | Q 4.4 | Page 35

A family consists of two parents and their five children and the pedigree chart shown below shows the inheritance of the trait colour blindness in them.

On which chromosome is the gene of this trait located?

Structured/Application and skill type | Q 4.5 | Page 35

A family consists of two parents and their five children and the pedigree chart shown below shows the inheritance of the trait colour blindness in them.

Name one other trait in humans which follows a similar pattern of inheritance.

Chapter 3: Genetics - Some Basic Fundamentals

Multiple choice typeVery short answer typeShort answer typeLong answer typeStructured/Application and skill type
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Concise Biology Class 10 Icse - Shaalaa.com

Selina solutions for Concise Biology Class 10 Icse chapter 3 - Genetics - Some Basic Fundamentals

Selina solutions for Concise Biology Class 10 Icse chapter 3 (Genetics - Some Basic Fundamentals) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Concise Biology Class 10 Icse solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Concise Biology Class 10 Icse chapter 3 Genetics - Some Basic Fundamentals are Genetics: Mendel’s Laws of Inheritance, Genetics: - Sex Linked Inheritance of Diseases, Sex Determination in Humans, The Three Laws of Mendel, Monohybrid Cross, Dihybrid Cross, Introduction to Genetic Terms.

Using Selina Class 10 solutions Genetics - Some Basic Fundamentals exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Selina Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 10 prefer Selina Textbook Solutions to score more in exam.

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