Genetics Practice Questions

Standard 2a: ___is the production of offspring by one parent without the joining of a sperm or egg.

A Sexual productionB Asexual reproductionC DNA D Viral

Standard 2a: ___is the production of offspring by one parent without the joining of a sperm or egg.

Answer:B Asexual

reproduction

Standard 2a: ______ is a type of asexual reproduction in which an organism splits

into two organisms.

A binary fission B regeneration

C twining D budding

Standard 2a: ______ is a type of asexual reproduction in which an organism splits

into two organisms.

Answer:A binary fission

Standard 2a: __ ____ is a type of asexual reproduction in which a new organism forms on a parent organism (for example yeast or hydra).

A binary fission B regeneration

C twining D budding

Standard 2a: __ ____ is a type of asexual reproduction in which a new organism forms on a parent organism (for example yeast or hydra).

Answer:D budding

Standard 2a: What are some advantages of asexual reproduction?

A Lack of genetic diversity, requires

two parents, and takes less time to reproduce.

B Lack of genetic diversity, only requires one parent, takes time to reproduce.

C Requires two parents, already adapted to environment, takes less time to reproduce.

D Requires one parent, already adapted to environment, takes less time to reproduce.

Standard 2a: What are some advantages of asexual reproduction?

Answer:D Requires one parent,

already adapted to environment, takes less time to reproduce.

Standard 2a: The process by which traits pass from parents to offspring is called

A spontaneous generation.

B cell movement.C heredity.D specialization.

Standard 2a: The process by which traits pass from parents to offspring is called

Answer:C heredity.

Standard 2b: Which type of reproduction results in offspring that have some genetic information in common with each parent?

A cloningB asexualC buddingD sexual

Standard 2b: Which type of reproduction results in offspring that have some genetic information in common with each parent?

Answer:D sexual

Standard 2b: When sex cells combine to produce offspring, the offspring gets

A all of its chromosomes from one parent cell.B none of its chromosomes from either parent cell.C 50 percent of its chromosomes from each parent cell.D 25 percent of its chromosomes from one parent cell and 75 percent of its chromosomes from the other parent cell. 

Standard 2b: When sex cells combine to produce offspring, the offspring gets

Answer:

C 50 percent of its chromosomes from each parent cell.

Standard 2c: Genes determine whether you have dimples, what color eyes you have, and even your ability to roll your tongue. What is the role of a gene in inheritance?

A The gene contains

chromosomes that show an organism’s traits.

B The gene gets messages from its cell about showing certain traits.

C The gene has nerves that send messages to the brain, controlling specific traits.

D The gene is a section of DNA that controls a trait that the organism inherits.

Standard 2c: Genes determine whether you have dimples, what color eyes you have, and even your ability to roll your tongue. What is the role of a gene in inheritance?

Answer:D The gene is a section of

DNA that controls a trait that the organism inherits.

Standard 2c: Many traits such as height and hair color that include a wide range of phenotypes are controlled by which of

the following?

A only dominant genes

B only recessive genes

C many genesD sex-linked genes

Standard 2c: Many traits such as height and hair color that include a wide range of phenotypes are controlled by which of

the following?

Answer:C many genes

Standard 2c: Which is an example of a human trait that is controlled by a single gene?

A ability to readB attached or free

earlobesC eye colorD skin color

Standard 2c: Which is an example of a human trait that is controlled by a single gene?

Answer:B attached or free

earlobes

Standard 2d: Scientists call an organism that has two different alleles for a trait

A a hybrid.B homozygous.C purebred.D a factor.

Standard 2d: Scientists call an organism that has two different alleles for a trait

Answer:A a hybrid.

Blood type is determined by a single gene with three alleles. The chart shows which combinations of alleles result in each blood type. A baby

has blood type AB. What can you infer about the baby’s parents?

A Neither has type AB

blood.B Both have type AB

blood.C One has type A blood,

and the other has type B blood.

D Neither has type O blood.

Blood type is determined by a single gene with three alleles. The chart shows which combinations of alleles result in each blood type. A baby

has blood type AB. What can you infer about the baby’s parents?

Answer:B Both have type AB

blood.