Growth and Development Flashcards
All organisms start as a single cell. True or False? What is the single cell called?
True; zygote
Organisms grow and develop via?
Cell division or increase in cell size.
Genes and environment both affect the ______ and ___________ of an organism.
Growth; development
Genes contain the information that determines how an __________ _____ ___ ________
Organism grows and develops
Changes to the gene are also known as?
Mutations
Changes to the gene (mutation) can affect how and which genes are expressed, which affects __________ and ____________.
Growth; development
What is sickle cell disease?
Sickle cell disease is an inherited blood disorder marked by defective hemoglobin. It inhibits the ability of hemoglobin in red blood cells to carry oxygen.
As a result of SCD, the red blood cells are sickle-shaped and can break easily. They can also not carry enough _______.
Oxygen
Genes as well as environment influence’s and organism’s _______, __________, and _____________ ____________.
Growth; development; reproductive success
Genes determine the traits we ____ and the environment can determine which traits are __________.
Have; expressed
What is genetic engineering?
Genetic engineering is the use of technology to change the genetic makeup of living things.
Genetic engineering is part of which field?
Biotechnology
Why do we alter genes?Examples?
- To treat genetic disorders [sickle cell disease]
- To produce human proteins [insulin]
- To give desirable traits to an organism [disease resistance]
