Font size
Worksheets3C - development of organisms
Total questions: 11
Worksheet time: 6mins
This rabbit has black fur patches because
when cold the enzyme tyrosinase becomes inactive and produces melanin
when cold the enzyme tyrosinase becomes active and produces melanin
its born this way
when hot the enzyme tyrosinase becomes inactive and allows the production of melanin
How is trauma suggested to be passed down through generations?
Through direct changes to the DNA sequence
By altering how DNA is read and expressed
Through the inheritance of physical traits
By changing the genetic code
What does epigenetics study?
The process of DNA replication
The study of genetic mutations
The inheritance of physical traits from our parents
How our environment influences our genes without altering the DNA sequence
Protein molecules around which DNA is tightly coiled in chromatin
histones
casein
nucleosome
chromosome
Increases gene transcription
methylation
DNA acetylation
repressors
helicase
What does polygenic inheritance mean? explain on example of height.
How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though the look and perform completely different?
The two different cells become mutated
The proteins expressed in each cell are different
They actually have different DNA in the two types of cells.
The genome of the different cells changes
