Chromosomes are arranged along the equator during

• Prophase

• Metaphase

• Anaphase

• Telophase

Phage genome site on bacterial chromosome resulted in the structure

• Nucleic acid

• Heterocyst

• Prophage

• None of these

223.

Tow genes R and y are located very close on the chromosome linkage map on maize plant. When RRYY and rryy genotypes are hybridized, then F₂ segregation will show

• Higher number of the recombinant types

• Segregation with expected 9:3:3:1 ratio

• Segregation is 3:1 ratio

• Higher number of the parental types

The mobile genetic element is

• Transposon

• Mutation

• Endonuclease

• Variation

Given below is a sample of portion of DNA strand given the base sequence on the opposite strand. What is so special show in it?

5’−GAATTC….3’

3’−CTTAAG … 5’

• Detection mutation

• Start codon at 5′ end

• The palindromic sequence of base pairs

• Replication completed

A point mutation where guanine is replaced by cytosine is also called

• Frameshift mutation

• Transition mutation

• Translocation mutation

• Transversion mutation

In animals normally which organism has a maximum number of chromosomes?

• Butterfly

• Elephant

• Hermit crab

• Chimpanzee

During meiosis-I, the bivalent chromosomes clearly appear as tetrads during

• Diakinesis

• Diplotene

• Pachytene

• Zygotene

Snapdragon flower is an exception of Mendel’s laws. It is a good example of

• Law of dominance

• Complementary gene

• Codominance

• Incomplete dominance

Number of Barr body which will found in case of Turner’s syndrome will be

• 1

• 2

• 0

• Can't be determined by given data