NEET BIOLOGY

GENETICS AND EVOLUTION

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What do scientists draw to show how different species are related to one another? (section 1)
A
a contour map
B
a bar graph
C
a branching diagram
D
a floor plan
Explanation: 

Detailed explanation-1: -A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.

Detailed explanation-2: -A phylogenetic tree is a diagram that represents evolutionary relationships among organisms. Phylogenetic trees are hypotheses, not definitive facts. The pattern of branching in a phylogenetic tree reflects how species or other groups evolved from a series of common ancestors.

Detailed explanation-3: -Cladograms are diagrams which depict the relationships between different groups of taxa called “clades”. By depicting these relationships, cladograms reconstruct the evolutionary history (phylogeny) of the taxa. Cladograms can also be called “phylogenies” or “trees”.

Detailed explanation-4: -Biologists often compare the sequences of related genes found in different species (often called homologous or orthologous genes) to figure out how those species are evolutionarily related to one another.

Detailed explanation-5: -Phylogenetic analysis is the study of the evolutionary development of a species or a group of organisms or a particular characteristic of an organism.

There is 1 question to complete.