POPULATION GENETICS & PRINCIPLES OF ANIMAL BREEDING MCQ

Information on repeatability of a trait is valuable to a breeder for predicting *

·         Future performance of an animal

·         Performance of ancestor

·         Past performance of an animal

·         Performance of progeny

Smallest cockatoos in avian world *

·         Rose-breasted

·         Moluccan

·         Bare-eyed

·         Goffin’s

Base pair substitution involving replacement of purine with pyrimidine is termed as *

·         Transition

·         Frameshift mutation

·         Somatic mutation

·         Transversion

The important qualities of exotic germplasm are *

·         Highly disease resistant

·         High adaptability

·         Superior management

·         Low production potential

The dog breed known for tricolour phenotypic appearance *

·         Beagle

·         Poodle

·         Spaniels

·         Dachshund

The dog breed known for wedge shaped head *

·         Dobermann

·         German Shepherd

·         Dachshund

·         Saint Bernard

A selection method to exploit non-additive gene action is *

·         Reciprocal recurrent selection

·         Correlated selection

·         Indirect selection

·         Index selection

Crisscrossing is a type of *

·         Rotational crossbreeding

·         Purebreeding

·         Back crossing

·         In-cross breeding

Dispersive process occurs in *

·         Large population

·         Random mated population

·         Migrant population

·         Small population

Ancestor for present day hound dog breeds in India *

·         Afghan hound

·         Basset hound

·         Grey hound

·         Blood hound

The following F2 phenotypic ratio is not an indication of epistasis interaction *

·         9:6:7

·         9:7

·         12:3:1

·         1:2:1

A calf produced from embryo transfer technology has the genes from *

·         Sire, donor and recipient

·         Sire and donor dam

·         Sire and recipient dam

·         Sire only

Faster rate of genetic improvement can be achieved in *

·         Cattle for milk production

·         Sheep for lamb production

·         Pig for litter size

·         Broiler for growth rate

Number of X-chromosomes inactivated in XXXY individual will be *

·         Zero

·         Three

·         Two

·         One

Tandem method of selection is useful in *

·         Negatively correlated traits

·         Positively correlated traits

·         Threshold traits

·         Qualitative traits

An individual with Down’s syndrome will have the following chromosome abnormality *

·         Nullisomy

·         Monosomy

·         Euploidy

·         Trisomy

Early weaning could be followed in small ruminants and pigs to reduce the generation interval or to get more progenies within a shorter spell. *

·         True

·         False

The pet bird with extremely large bill is *

·         Parakeets

·         Whydah

·         Toucans

·         Gold macaw

The cat breed with Jet Black coat colour *

·         Rex

·         Bombay

·         American short hair

·         Birman

In three-breed rotational cross, the sire used are *

·         Inbreds

·         Crossbreds

·         Purebreds

·         Outbreds

The response ceases after many generation of selection is called *

·         Heritability

·         Selection intensity

·         Selection limit

·         Repeatability

Ancestor for present day hound dog breeds in India *

·         Basset hound

·         Grey hound

·         Blood hound

·         Afghan hound

Type of comb morphology with ‘rrpp’ genotype *

·         Rose comb

·         Single comb

·         Walnut comb

·         Pea comb

The estimate of prepotency in the population achieved by using *

·         None of these

·         Inbreeding coefficient

·         Selection coefficient

·         Path coefficient

A color blind boy has 2 sisters. One color blind and one not color blind. What can be the possible nature of their parents? *

·         Colour blind father and carrier mother

·         Colour blind father and normal mother

·         Normal father and colour blind mother

·         Colour blind father and colour blind mother

A heterozygous tall pea plant is crossed with a dwarf plant. The probability that the offspring will be tall is *

·         50 per cent

·         75 per cent

·         25 per cent

·         100 per cent

Male calico cat is due to *

·         Mitochondrial inheritance

·         Mi-ke effect

·         X-chromosome mutation

·         Klinefelter’s syndrome

Cattle breed with cervico-thoracic type of hump *

·         Siri

·         Ponwar

·         Dangi

·         Arunachali

The sheep breed developed by Robert Bakewell was *

·         Hampshire down

·         Blackface

·         Leicester

·         Dorset horn

Domestication of animals carried out for *

·         All of the above

·         Religious purposes

·         Economic needs

·         Companionship

When a dominant gene is expressed only in 70 % of the individuals carrying it, then it is *

·         Incomplete penetrance

·         Variable expressivity

·         Dominant epistasis

·         Incomplete dominance

Horse breed known for their ability to work at high altitudes *

·         Kathiawari

·         Spiti

·         Mewari

·         Bhutia

Type of heterosis important for development of composite breed *

·         Retained heterosis

·         Positive heterosis

·         Double heterosis

·         Null heterosis

Who has developed American saddle horse? *

·         Thomas Bates

·         Settlers

·         William Tompkins

·         John Babcock

The mechanism that equalize the X-chromosome between the two sexes even though males and females have different number of X-chromosome *

·         Inactivation of X-chromosome

·         Dosage compensation

·         Hyperactivation of X-chromosome

·         Epigenetic inheritance

In an experiment, AaBb(F1) was test crossed with aabb. In the progeny, genotypes Aabb, were more frequent that AaBb and aabb. The genotypes of the parents of F1 should be *

·         AAbb x aaBB

·         AAbb x AABB

·         AABB X aaBB

·         AABB X aabb

Brush tongued parrots are known as *

·         Cockatiels

·         Lories

·         Lorikeets

·         Both (a) and (b)

Identify the operational complication of selection *

·         Foundation stock

·         Positive correlation

·         Types of gene action

·         Phenotype

A woman married for the second time. Her first husband was of blood type ‘A’, and her child by that marriage was of type ‘A’. Her second husband is of type ‘B’ and their child is of type ‘AB’. What is not the woman’s blood group? *

·         IAIB

·         ii

·         IAIA

·         IAi

Hemophilia is a sex-linked recessive trait. If a father and son are both haemophiliacs, but the mother is normal, her genotype should be *

·         HH

·         hY

·         Hh

·         hh

The degree of relationship by descent between the two parents is called *

·         All of them

·         Coefficient of kinship

·         Co-anscestry

·         Cosanguinity

Two coloured goat breed of Gujarat *

·         Kahmi

·         Mehsani

·         Gohilwadi

·         Surati

Largest flying parrot species *

·         Whydah

·         Hyacinth

·         Toucans

·         Blue and gold Macaw

When there is no reasonable doubt that the last individual has died in a population of species, then the species is called as *

·         Vulnerable

·         Critical

·         Extinct

·         Endangered

Identify the short haired cat breed *

·         Sphinx

·         Birman

·         Abyssinian

·         Peterbald

The animal that was probably last to be domesticated *

·         Turkey

·         Horse

·         Chicken

·         Pig

The idea of progeny testing was advocated 2000 years ago by *

·         Roman Varro

·         William Tompkins

·         Robert Bakewell

·         Colling brothers

The polygenic genes show *

·         Different genotypes

·         Different phenotypes

·         None of these

·         Different karyotypes

Cloned buffalo calf named “Shresth” was developed by *

·         Kinkin University, Japan

·         National Dairy Research Institute, Karnal

·         University of California, Vermont

·         University of Hawai

Sheep breed known for its carpet wool and mutton quality in north-western semi-arid region of India is *

·         Sonadi

·         Malpura

·         Marwari

·         Muzafarnagri

The frequency of crossing over between any two linked genes is *

·         Same as if they are not linked

·         Determined by their relative dominance

·         Higher if they are recessive

·         Proportional to the distance between them

The first person to demonstrate Mendelian inheritance of qualitative characters in animals *

·         John Muller

·         W.E. Castle

·         William Bateson

·         T.H. Morgan

When cloned genes are introduced into single cells that give rise to whole organisms which can be propagated by normal breeding methods are called *

·         Chimera

·         Genetically modified organism

·         Epigenetic organism

·         Mosaic

Identify the feedback mechanism used to control the biotic potential *

·         Over crowding

·         Plant succession

·         Environmental resistance

·         Death

The following genotypes are found in a population: AA = 60; Aa = 40; aa= 25. Find the gene frequencies. *

·         A=0.64 and a=0.36

·         A=0.68 and a=0.32

·         A=0.32 and a=0.68

·         A=0.36 and a=0.64

Base pair substitution involving replacement of purine with pyrimidine is termed as *

·         Transversion

·         Transition

·         Somatic mutation

·         Frameshift mutation

Two coloured goat breed of Gujarat *

·         Kahmi

·         Gohilwadi

·         Surati

·         Mehsani

Number of X-chromosomes inactivated in XXXY individual will be *

·         One

·         Three

·         Two

·         Zero

Identify the operational complication of selection *

·         Positive correlation

·         Types of gene action

·         Foundation stock

·         Phenotype

Cattle breed with cervico-thoracic type of hump *

·         Ponwar

·         Arunachali

·         Siri

·         Dangi

How many different gametes can be formed by the AaBBccDD parental genotype? *

·         2

·         1

·         8

·         4

The dog breed also known as badger dog *

·         Spaniels

·         Beagle

·         Poodle

·         Dachshund

A new breed can be developed by *

·         Inbreeding

·         Grading up

·         Crossbreeding

·         Out crossing

Identify the bird that can be used to study the evolution of human language *

·         Canaries

·         Starlings

·         Lories

·         Love birds

TRUE OR FALSE:

Breed Registry was set up to safeguard the purity of the breed and to supply authentic record of performance *

·         True

·         False

Breeding plumage is also known as eclipse plumage in whydah birds *

·         True

·         False

Complementarity is heterosis *

·         True

·         False

Cats with curly hair are usually as a result of a mutation; and its takes time and skill in breeding *

·         True

·         False 

Collateral relatives are neither direct ancestors nor direct descendants of an individual *

·         True

·         False

Criss-cross inheritance is observed in sex-influenced inheritance *

·         True

·         False

First work of trap nesting of birds was carried out in Australia. *

·         True

·         False

For measuring the general combining ability, out crossing is followed *

·         True

·         False

GCA and SCA are expressed as variance and not as values. *

·         True

·         False

Genetic diversity can be achieved by increasing the number of animals in a population *

·         True

·         False

Genomic selection is based on few molecular markers in a genome *

·         True

·         False

In idealized population, unequal number of male and females are present *

·         True

·         False

In crisscrossing, Females are from crossbred population *

·         True

·         False

Inbreeding is useful to maintain genetic purity *

·         True

·         False

Marker assisted selection is a form of indirect selection *

·         True

·         False

Maximum gain will result when the selection differential and the heritability are low and the generation interval is high *

·         True

·         False

See-saw effect is caused by a genetic synergism between two traits *

·         True

·         False

Speciation is also known as reproductive isolation *

·         True

·         False

Tabby pattern describes pattern of stripes, swirls or dots in varied colours in cats *

·         True

·         False

The number of linkage groups for a species will exceed the number of pairs of chromosomes *

·         True

·         False

The population mean gets increased in positive assortative mating *

·         True

·         False

The higher gene frequency obtained by initial selection can be maintained by non-random mating in subsequent generations *

·         True

·         False

The founder effect is extreme form of genetic drift *

·         True

·         False

Top cross in dairy cattle usually refers to the last sire in a pedigree *

·         True

·         False

Match the following-I *

·         Assortative mating  - Inbreeding

·         Random mating      - Wildlife

·         Manx                       - Mutation

·         Porcupine men        - Holandric genes

·         Baldness                  - Sex influenced

Match the following-II *

·         Heterosis                       -  -ve or +ve

·         Inbreeding coefficient  -  0 to 1

·         Parent and offspring     -  0.50

·         Unrelated individuals   -  0

·         Fullsib mating              -   0.25

Matach the following-III

·         Pati               -  Assam

·         Calico           -  Mi-ke

·         Colling Bro. -  Short horn

·         Tompkins     -  Hereford

·         Teressa         -  Andaman & Nico.

Match the following-IV *

·         Alexander Rich  -  Discov. of DNA

·         Muller                 -  ClB

·         Meischer             -  ‘Z’ DNA

·         Bridges               -  Balance theory

·         Falconar             -  Exp. with mice

Match the following - V *

·         Chromosome          -   Idiogram

·         Turner syndrome    -  47, +18

·         Patau syndrome      -  45, XO

·         1/29 chromosome   -  Translocation

·         Bos indicus             -  Acrocentric

Match the following-VI *

·         Jaffarabadi           -  Riverine

·         Luti                      -  Swamp

·         Kernal colour      -  Gene interaction

·         Snail coiling        -  Maternal effect

·         Environ.mimics   -  Phenocopy