IB Biology HL D4.1.15 Hl Artificial Selection Questions
Recognize how deliberate parent choice in dog, crop and livestock breeding directs inherited phenotypic change.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Recognize selective breeding as artificial selection and give variation among dog breeds as a resulting phenotype.
IB Biology HL D4.1.15 Hl Artificial Selection Questions question 1
[Maximum number: 1]
Dogs are descended from the grey wolf, Canis lupus, by selective breeding and are thought to be first domesticated about 30000 years ago. What is a result of this selective breeding?
A
Many different species of dogs exist.
B
The legs of different breeds of dogs show discrete variation.
C
Dogs have a variety of phenotypes.
D
The tails of dogs are analogous structures.
C
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