Hot Desert  Temperatures are variable from below freezing at night to as much as 50ºC in the day. algae carry on photosynthesis and provide both themselves and the coral animals with the nutrients necessary for growth. 

The skeletons of the corals provide a surface upon which many other kinds of animals live.

TLS Online TPP Program

#Id: 6912

#Unit 8. Inheritance Biology

In heterozygotes DUPLICATIONS - The pairing and synapsis of homologous regions require that one or both chromosomes loop and twist. 

TLS Online TPP Program

#Id: 6913

#Unit 8. Inheritance Biology

EFFECTS OF CHROMOSOME DUPLICATIONS - Bar phenotype in Drosophila

TLS Online TPP Program

#Id: 6914

#Unit 8. Inheritance Biology

Duplications and deletions often arise from unequal crossing over.

TLS Online TPP Program

#Id: 6915

#Unit 8. Inheritance Biology

Chromosome duplications are one way in which new genes evolve.

TLS Online TPP Program

#Id: 6916

#Unit 8. Inheritance Biology

Segmental duplications have played an important role in the evolution of human chromosomes; about 4% of the human genome consists of segmental duplications. 

TLS Online TPP Program

#Id: 6917

#Unit 8. Inheritance Biology

Unbalanced gene dosage leads to developmental abnormalities.