Human Genetics Test 5

Total Questions:50 Total Time: 60 Min

Remaining:

 

Questions 1 of 50

Question:The chromosome number in Klinefelter'e syndrome is :

Answers Choices:

44

45

46

47

Questions 2 of 50

Question:A table representing the ancestral history of an individual is known as:

Answers Choices:

Idiogram

Pedigree

Phylogeny

Eugenics

Questions 3 of 50

Question:Which of the following are used to define the karyotype of a species? (In this item one or more answers given may be correct. Decide which are correct and mark the answer sheet according to the code)? 1. The number of chromosomes 2. The chromosome length. The position of the centromere Codes:

Answers Choices:

1,2 and 3 are correct

Only 1 and 2 are correct

Only 2 and 3 are correct

Only 1 and 3 are correct

Questions 4 of 50

Question:Down's syndrome is due to:

Answers Choices:

Linkage

Sex-linked inheritance

Crossing over

Nondisjunction of chromosomes

Questions 5 of 50

Question:Trisomy of 21st chromosome results in:

Answers Choices:

Down's syndrome

Sickle-cell anaemia

Turner's syndrome

Klinefelter's syndrome

Questions 6 of 50

Question:'Epicanthus' is the symptom of:

Answers Choices:

Haploidy

Down's syndrome

Heteroploidy

Turner's syndrome

Questions 7 of 50

Question:A boy receives his X-chromosome from:

Answers Choices:

his mother only

his father only

both his father and mother

either his mother or father

Questions 8 of 50

Question:The males of grasshoppers and bugs possess two sets of autosomes and:

Answers Choices:

X and Y-chromosomes

only X-chromosome

only Y chromosome

neither X nor Y chromosome

Questions 9 of 50

Question:Which chromosome set is found in male grasshopper?

Answers Choices:

XY

X

YY

XX

Questions 10 of 50

Question:Number of autosomes in normal human sperm is:

Answers Choices:

one

two

46

22

Questions 11 of 50

Question:Average ratio of men and women in human population is:

Answers Choices:

1 : 1

1:2

3 : 4

3 : 5

Questions 12 of 50

Question:The male child is born when sperm with:

Answers Choices:

X fertilise the ovwu

Y fertilise the ovum

Both X and Y fertilise the ovum

None of these

Questions 13 of 50

Question:Supermale and superfemale type of determination of sex in Drosophila is based on:

Answers Choices:

Genie balance

Oxygen balance

Biodiversity

Uniformity

Questions 14 of 50

Question:A man has enlarged breasts, sparse hairs on the body and sex chromosomal formula XXY. He then suffers from:

Answers Choices:

Down's syndrome

Turner's syndrome

Edward's syndrome

KlinefeIter's syndrome

Questions 15 of 50

Question:In which disease, man has an extra X-chromosome?

Answers Choices:

Klinefelter's syndrome

Down's syndrome

Turner's syndrome

Bleeder's disease

Questions 16 of 50

Question:Amniocentesis is a technique used for:

Answers Choices:

estimating amino acid content in the amnion

measuring size of the foetus

determining sex of the foetus

determining the position of the foetus

Questions 17 of 50

Question:Which character is sex-linked in Drosophila?

Answers Choices:

Red eye colour

White eye colour

Gray body colour

All of these

Questions 18 of 50

Question:Which of the following traits in human is sex linked?

Answers Choices:

diabetes

night blindness

colour of eyes

none of the above

Questions 19 of 50

Question:A colour blind father may have a normal daughter but again a colour blind grandson through her. This indicates that the gene responsible for colour blindness is located on:

Answers Choices:

X-chromosome and recessive

Y-chromosome and dominant

Y-chromosome and recessive

X-chromosome and dominant

Questions 20 of 50

Question:Deuteranopia is a disease when there is no perception of... colour:

Answers Choices:

red

blue

green

white

Questions 21 of 50

Question:The female children of a haemophilic man and carrier woman are likely to be:

Answers Choices:

all haemophilic

all carriers

half normal and half carriers

half haemophilic and half carriers

Questions 22 of 50

Question:If a haemophilic man marries a normal woman, the offspring will be:

Answers Choices:

all normal

all haemophilic

boys haemophilic

girls haemophilic

Questions 23 of 50

Question:Inheritance of total colour blindness is:

Answers Choices:

autosomal

Y-linked

X-linked

None of these

Questions 24 of 50

Question:Baldness is:

Answers Choices:

sex-determined

sex-linked

sex-controlled

none of the above

Questions 25 of 50

Question:If a character is always transmitted directly from a father to all his sons and from their sons to all their sons; then which chromosome carries the gene for the character?

Answers Choices:

Autosome

X-chromosome

Y-chromosome

None of the above

Questions 26 of 50

Question:The blood group 'B' is determined by gene alleles which are:

Answers Choices:

\({I^A}{I^B},{I^A}{I^O}\)

\({I^B}{I^B},{I^B}{I^O}\)

\({I^O}{I^O},{I^A}{I^O}\)

None of these

Questions 27 of 50

Question:A child had blood group O. What will not be the blood group of parents?

Answers Choices:

B and B

A and A

A and B

AB and O

Questions 28 of 50

Question:Which blood can be given to a person of AB blood group?

Answers Choices:

O only

A or B

AB only

All of the above

Questions 29 of 50

Question:People of AB blood group have:

Answers Choices:

antigens A and B and their antibodies

antibodies A and B, but no antigens

antigens A and B, but no antibodies

antigen B and antibody A

Questions 30 of 50

Question:Rh factor is concerned with:

Answers Choices:

Blood clotting

Blood grouping

Eugenics

Protein synthesis

Questions 31 of 50

Question:Which abbreviation stands for a genetic trait in man?

Answers Choices:

pH

Rh

FSH

LH

Questions 32 of 50

Question:Free-martin condition is observed in:

Answers Choices:

monozygotic twins

dizygotic twins

both

none

Questions 33 of 50

Question:Which of the following is a genetic trait in man?

Answers Choices:

Leucoderma

Albinism

Tuberculosis

Diphtheria

Questions 34 of 50

Question:The persons suffering from thalassemia are unable to produce:

Answers Choices:

alpha chains

beta chains

delta chains

all of these

Questions 35 of 50

Question:Who is known as 'Father of physiological genetics'?

Answers Choices:

Garrod

Galton

Mendel

Morgan

Questions 36 of 50

Question:Genetically identical progenies are produced when the individual:

Answers Choices:

practices reproduction

performs self-fertilization

practices inbreeding without meiosis

produces identical gametes

Questions 37 of 50

Question:Improvement of genetic characters and present day generation on the basis of best nutrition and training is called:

Answers Choices:

Gerontology

Euphenics

Eugenics

Euthenics

Questions 38 of 50

Question:Study of improvement of human race by providing ideal "nurture" is called:

Answers Choices:

Euthenics

Eugenics

Euphenics

None of these

Questions 39 of 50

Question:'Cloning' is meant for:

Answers Choices:

production of HGH gene in E. coli

to preserve the genotype of the organism

to replace the original one

all of these

Questions 40 of 50

Question:The first mammal clone "Dolly" was created by:

Answers Choices:

Thomas King

Robert Briggs

Ian Wilmut

T.H. Morgan

Questions 41 of 50

Question:The first simian cloning was carried out by:

Answers Choices:

Don Wolf

Ian Wilmut

Robert Briggs

T.J. King

Questions 42 of 50

Question:A normal woman marries an albino man. They have both albino and normal children. The woman is:

Answers Choices:

homozygous recessive

homozygous dominant

heterozygous normal

homozygous normal

Questions 43 of 50

Question:A genetic disease in many Africans which reduces the oxygen uptake by RBC is known as:

Answers Choices:

Anaemia

Haemophilia

Sickle-cell anaemia

Pernicious anaemia

Questions 44 of 50

Question:Patients suffering from alkaptonuria have an abnormal compound in urine known as:

Answers Choices:

phenylalanine

homogentisic acid

uric acid

hydrochloric acid

Questions 45 of 50

Question:A clone is a group of individuals obtained through:

Answers Choices:

hybridisation

self-pollination

cross-pollination

vegetative propagation

Questions 46 of 50

Question:Recently cloned species is:

Answers Choices:

Dolly-goat

Molly-sheep

Dolly-sheep

None of these

Questions 47 of 50

Question:Clonal cell lines can be obtained by:

Answers Choices:

tissue culture

tissue system

tissue fractionation

tissue homogenization

Questions 48 of 50

Question:If blood group of parents are AB and O, the possible blood group of children are:

Answers Choices:

A or B group

\({O^ + }\) only

AB and O only

\({O^ + }\) only

Questions 49 of 50

Question:What should be the blood types of parents if their children can have only A and B types of blood?

Answers Choices:

A and O

AB and O

A and B

AB and A

Questions 50 of 50

Question:The Rh factor is concerned with:

Answers Choices:

pig

apes

gorilla

monkey