Heredity Test Review

Front

Why are some identical twins not exactly the same?

Back

Impact of environment and activities.

Front

What is the distinctive pattern of bands composed of fragments of an individual's DNA?

Back

DNA fingerprint.

Front

Which male is the father of this child?

Back

Male 2.

Front

In a biochemical reaction, what is the role of an enzyme?

Back

Enzymes act as catalysts to speed up chemical reactions.

Front

What is a plasmid?

Back

A plasmid is a small, circular piece of DNA found in bacteria that can replicate independently.

Front

What is the difference between dominant and recessive genes?

Back

Dominant genes express their traits even if only one copy is present, while recessive genes require two copies to express their traits.

Front

What is incomplete dominance?

Back

Incomplete dominance is a genetic situation in which one allele does not completely dominate another allele, resulting in a new phenotype.

Front

What is a genotype?

Back

A genotype is the genetic constitution of an individual, representing the alleles inherited from parents.

Front

What is a phenotype?

Back

A phenotype is the observable physical or biochemical characteristics of an organism, determined by both genetic makeup and environmental influences.

Front

What is the purpose of a Punnett square?

Back

A Punnett square is used to predict the genotypes of offspring from a cross between two parents.