@⇒ Short cut notes / rapid fire notes / best theory of Animal biotechnology chromosomes ⇒ Biotechnology ⇒ Medical Science Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF

Users Also Read

Home⇒ Medical Science⇒ Biotechnology⇒ Animal biotechnology chromosomes

1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. .

2-Wrong options are also given but dont concentrate there, Right answer is in bold format.

Q1 ⇒ Which of the following denotes a pair of contrasting characters?
Alleles
[other wrong options] [Discuss in forum] 6 -2

Q2 ⇒ A diagram depicting chromosomes of haploid set of an organism ordered in a series of decreasing size is known as
idiogram
[other wrong options] [Discuss in forum] 5 -3

Q3 ⇒ Bar eye character of Drosophila is due to
duplication in region of 16A of X chromosome
[other wrong options] [Discuss in forum] 6 -2

Q4 ⇒ How many chromosomes are there in the budding yeast (S. cerevisiae)?
16
[other wrong options] [Discuss in forum] 5 -2

Q5 ⇒ The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as
penetrance
[other wrong options] [Discuss in forum] 5 -2

Q6 ⇒ In a dihybrid cross, the progeny of an Fl individual (hetero2ygous for both characters) will show a phenotypic ratio of
1:1:1:1
[other wrong options] [Discuss in forum] 3 -1

Q7 ⇒ Incase of inversion when the inverted segment of chromosome includes centromere, it is known as
pericentric inversion
[other wrong options] [Discuss in forum] 1 -1

Q8 ⇒ If two genes show 50% recombination
both (a) and (b)
[other wrong options] [Discuss in forum] 1 -2

Q9 ⇒ Hairy wing character of Drosophila is due to
duplication in region of chromosome
[other wrong options] [Discuss in forum] 2 -1

Q10 ⇒ The degree or extent to which a given genotype is expressed phenotypically in a particular individual is defined as
expressivity
[other wrong options] [Discuss in forum] 1 -1

Q11 ⇒ Raphanobrassica is a classical example of
allopolyploidy
[other wrong options] [Discuss in forum] 1 -3

Q12 ⇒ Diethyl stilbestrol (DES), a synthetic estrogen causes
all of the above
[other wrong options] [Discuss in forum] 1 -1

Q13 ⇒ In an organism, the chromosome number is maintained constant because of
DNA duplication
[other wrong options] [Discuss in forum] 1 -1

Q14 ⇒ Exchange of segments between non homologous chromosomes is best known as
translocation
[other wrong options] [Discuss in forum] 3 -3

Q15 ⇒ An odd number of cross overs in inverted region will result into formation of a dicentric chromatid and acentric chromatid at anaphase I incase of
paracentric inversion
[other wrong options] [Discuss in forum] 1 -2

Q16 ⇒ A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as
a physical map
[other wrong options] [Discuss in forum] 1 -1

Q17 ⇒ A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of
translocation heterozygote
[other wrong options] [Discuss in forum] 2 -1

Q18 ⇒ How many chromosomes are there in Caernorhabditis elegans?
6
[other wrong options] [Discuss in forum] 1 -1

Q19 ⇒ How does dosage compensation in Drosophila occur?
Hypertranscription of male X chromosome
[other wrong options] [Discuss in forum] 1 -1

Q20 ⇒ Transmission of a gene from male parent to female child to male grand child is known as
criss-cross inheritance
[other wrong options] [Discuss in forum] 1 -1

1 2 ..Next.>> Page 1 of 2

Or

Users Also Read