TLS Online TPP Program

#Question id: 8687


Your professor wants you to construct a phylogenetic tree of orchids. She gives you tissue from seven orchid species and one lily. What is the most likely reason she gave you the lily?

#Unit 9. Diversity of Life Forms
  1. to serve as an outgroup
  2. to see if the lily is a cryptic orchid species
  3. to see if the lily and the orchids show all the same shared derived characters
  4. to demonstrate likely homoplasies
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TLS Online TPP Program

#Question id: 23286

#Unit 8. Inheritance Biology

Individual chromosomes may lose or gain parts and the order of genes within a chromosome may become altered. These variations in the number and structure of chromosomes are termed as

TLS Online TPP Program

#Question id: 23287

#Unit 8. Inheritance Biology

Chromosome mutations can be grouped into three basic categories:
I) Chromosome rearrangements
II) Aneuploidy
III) Polyploidy
these mutation alters the number and structure of chromosomes such as,
 a) One or more individual chromosomes are added or deleted
b) The loss of a chromosomal segment
c) A piece of a chromosome might be duplicated, deleted, or inverted
d) One or more complete sets of chromosomes are added
e) In which one or more copies of a DNA segment is produced
Find out the correct pairing of chromosomal mutations,

TLS Online TPP Program

#Question id: 23288

#Unit 8. Inheritance Biology

The staining of chromosomes with a special dye called Giemsa reveals G bands, which distinguish

TLS Online TPP Program

#Question id: 23289

#Unit 8. Inheritance Biology

Preparation and staining techniques help to distinguish among chromosomes of similar size and shape, this staining techniques also distinguish the banding pattern of the chromosome at which stage of cell cycle?

TLS Online TPP Program

#Question id: 23560

#Unit 13. Methods in Biology

DNA molecules which are constructed with DNA from different sources are called

TLS Online TPP Program

#Question id: 23561

#Unit 13. Methods in Biology

General steps in the generation of a recombinant DNA molecule in the laboratory include