Genetics Biology ICSE Progress Check Class-10th Concise Selina Solutions- Some Basic Fundamental Chapter-3. .Step by Step Selina Solutions of Progress Check 1, 2, 3, 4 ,MCQ ,Very Short , Descriptive Type and Structural /Skill Type Questions . Selina Publications series Books are most popular among ICSE student. Visit official website CISCE for detail information about ICSE Board Class-10.
| Board | ICSE |
| Publications | Selina Publishers PVT LTD |
| Subject | Concise Biology |
| Class | 10th |
| writer | HS Vishnoi |
| Chapter-3 | Genetics (Some Basic Fundamental ) |
| Topics | Solutions of Progress Check 1, 2, 3, 4, MCQs, Very Short , Descriptive and Structural/Skill Questions |
| Edition | 2021-2022 |
Genetics Biology ICSE Progress Check Class-10th Concise Selina Solutions
-: Select Topics :-
Progress Check 1
Progress Check 2
Progress Check 3
Progress Check 4
MCQs, Very Short , Descriptive and Structural/Skill Questions
Progress Check-1
(Genetics Biology ICSE Class-10th Concise Selina Solutions- Some Basic Fundamental Chapter-3)
Page-25
Q-1 Mention the following statement are true or False.
(i) Genetics and heredity are the same thing.
(ii) “Like begets like” this applies only to animals.
(iii) The entire human population show variations
Answer :
(i) True
(ii) False
(iii) True
Q-2 Which of the following in humans are established genetic traits ? (Tick-Mark the correct ones) in the box provided.
Answer :
(i) Capacity to be good cricketer
(ii) Curli hair [ Correct]
(iii) Left-handedness [ Correct]
(iv) Quality of voice
v) red-green colour blindness [ Correct]
Progress Check-2
Genetics Biology ICSE Progress Check Class-10th Concise Selina Solutions
Page-25
Q-1 Mention the following
(i) Total number of pair s of chromosome in each body cell in humans ………….
(ii) Number of pairs of autosome in humans ………….
Answer-1
(i) 46 chromosome
(ii) 22 pair
Q-2
A certain couple got only four daughter in a row and no son. Does it mean that the husband does not product Y bearing sperms ? explain.
Ans-2
Yes Husband either do not produce y sperm or during fertilization no y chromosome available .
Progress Check-3
(Genetics Biology ICSE Class-10th Concise Selina Solutions- Some Basic Fundamental Chapter-3)
Q-1 write …..heredity
Ans-1
Gene
Q-2 define following term
(i),Allele. (ii) Dominant Gene. (iii) Genotype (iv)Phenotype (v)Recessive gene
Ans-2
(i),Allele, also called allelomorph, any one of two or more genes that may occur alternatively at a given site (locus) on a chromosome.
(ii) A dominant gene, or a dominant version of a gene, is a particular variant of a gene, which for a variety of reasons, expresses itself more strongly all by itself than any other version of the gene which the person is carrying, and, in this case, the recessive.
(iii)the term “genotype” refers to the genetic makeup of an organism; in other words, it describes an organism’s complete set of genes. In a more narrow sense, the term can be used to refer to the alleles, or variant forms of a gene, that are carried by an organism.
(iv) The term “phenotype” refers to the observable physical properties of an organism; these include the organism’s appearance, development, and behavior. An organism’s phenotype is determined by its genotype, which is the set of genes the organism carries, as well as by environmental influences upon these genes.
(v) A recessive gene is a gene that can be masked by a dominant gene. You might remember the word recessive from biology, where it most often appears. Its opposite is dominant and is always living in its shadow. A recessive allele has to team up with another recessive allele in order to show up
Q-3 Mention……..in
(i),Human male (ii) Human female
Ans-3
(i),Human female -23 pair
(ii) Human male- 22 pair
Q-4
can there be heterozygous recessive . explain
Ans-4
No, there cannot be heterozygous recessive state. Any trait or characteristic is determined by gene that exists in two alternative forms called alleles, one is dominant allele and the other is recessive allele
Q-5 list ……..chart
Ans-5
- Interlocking fingers. Interlock fingers. …
- Ear lobes. …
- Widow’s peak. …
- Tongue curling. …
- Hitch hiker’s thumb. …
- Pigmented iris.
Progress Check-4
(Genetics Biology ICSE Class-10th Concise Selina Solutions- Some Basic Fundamental Chapter-3)
page-33
Q-1 who. discover for the first time the basic principle of genetics
Ans-2
Gregor Mendel
Q-2
give the common and scientific name of the organism on which Gregor Mendal had worked
Ans-2
PISUM SATIVUM.
Q-3
Define the following name
(i) Monohybrid cross
(ii) Dihybrid cross
(iii) Fillial generation
Ans-3
(i) Monohybrid cross : A genetic cross between homozygous individuals but with different alleles for a single gene locus of interest.
(ii) Dihybrid cross : A dihybrid cross describes a mating experiment between two organisms that are identically hybrid for two traits.
(iii) Fillial generation : A generation in a breeding experiment that is successive to a mating between parents of two distinctively different but usually relatively pure genotypes
Q-4 write two character of pea pod with their alternative trait.
Answer-4
(i) The dominant colour of pea is green .
(ii) The dominant character in pea plant is that it is tall
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