Genetics Practice Questions. Standard 2a: ___is the production of offspring by one parent without the joining of a sperm or egg. A Sexual production B.

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Presentation transcript:

Genetics Practice Questions

Standard 2a: ___is the production of offspring by one parent without the joining of a sperm or egg. A Sexual production B Asexual reproduction C 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 cloning B asexual C budding D 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 genes D 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 read B attached or free earlobes C eye color D 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.