Question

15.
Choose the best answer.

The situation in which a heterozygous genotype is associated with a phenotype that is more or less intermediate between the phenotypes controlled by the two homozygous phenotypes is ___________.

regulating gene

incomplete penetrance

modifying gene

intermediate expression
16.
Choose the best answer.

___ is used in genetic modification to create completely new organisms by adding artificial bits or bits of DNA from other organisms to an existing creature.

Plasmid

Recombinant DNA

Bacterium

Complex inheritance
17.
Choose the best answer.

A condition in which both alleles of a gene pair in a heterozygote are fully expressed, with neither one being dominant or recessive to the other is ___________.

triploidy

polyploidy

codominance

pleiotropy
18.
Choose the best answer.

Polyploidy in ___ is often fatal.

plants

animals

bacteria

male
19.
Select the term for the definition given.

any of a set of three or more alleles


polyploidy

multiple-allele series

triploidy

pleiotropy
20.
Choose the best answer.

___ are circular deoxyribonucleic acid (DNA) molecules that replicate independently of the bacterial chromosome.

Clones

Mutants

Plasmids

Bacterium
21.
Choose the best answer.

The term ___ describes a number of different processes that can be used to produce genetically identical copies of a biological entity.

pedigree mapping

cloning

mutation

genetic engineering
22.
Choose the best answer.

The human manipulation of inheritance is __________.

translation

genetic engineering

mutation

transcription
23.
Choose the best answer.

Polyploidy is very common and often beneficial in ___.

bacteria

male

animals

plants
24.
Choose the best answer.

___ occurs when one gene influences multiple phenotype traits.

A mutation

Incomplete penetrance

Polygenic

Pleiotropy
25.
Choose the best answer.

The ___ was an international collaboration to map out all the human genes.

Genetic Engineering Project

Human Genome Project

Pedigree Mapping Project

Recombinant DNA Project

Answer 1

15. intermediate expression
16. Recombinant DNA
17. codominance
18. animals
19. multiple-allele series
20. Plasmids
21. cloning
22. genetic engineering
23. plants
24. Pleiotropy
25. Human Genome Project