Three fish species are models for understanding different aspects of genes. Read

Question

Three fish species are models for understanding different aspects of genes. Read the descriptions and decide what sort of genetics each is used for.

A. Evolutionary genetics of skeletal structures

B. Developmental genetics

C. Genome analysis

1. Takifugu rubripes – A poisonous marine pufferfish; has an unusually small genome compared to other vertebrates but still carries all essential genes. ________

2. Danio rerio – The zebrafish common to amateur aquaria. Many color morphs are available, they breed readily, and embryos are transparent. ________

3. Three-spined stickleback – Stickleback species have variable structure of the bony vertebrae and different numbers of spines on the back. ________

Explanation / Answer

1)genome analysis

2)developmental genetics

3)evolutionary genetics of skeletal structures

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