Question 1

Amniocentesis provides an image of a developing fetus.

Accepted Answer

A) True 
 B)False

Question 2

The phenotypes and genotypes that result from a cross of Aa and aa (A = normal pigmentation and a = albinism)are

Accepted Answer

A) phenotypes:all normal; genotypes:50% heterozygous and 50% homozygous recessive. 
B) phenotypes:all albino; genotypes:all homozygous recessive. 
C) phenotypes:50% normal and 50% albino; genotypes:50% heterozygous and 50% homozygous recessive. 
D) phenotypes:all albino; genotypes:50% heterozygous and 50% homozygous recessive. 
A) phenotypes:all normal; genotypes:50% heterozygous and 50% homozygous recessive. 
B) phenotypes:all albino; genotypes:all homozygous recessive. 
C) phenotypes:50% normal and 50% albino; genotypes:50% heterozygous and 50% homozygous recessive. 
D) phenotypes:all albino; genotypes:50% heterozygous and 50% homozygous recessive.

Question 3

A heterozygote has identical alleles of a gene and a homozygote has different alleles.

Accepted Answer

A) True 
 B)False

Question 4

In a certain species of fly, eye color is designated by the W+ and w alleles, with the W+ allele being dominant. Typical eye color is red for these flies, while a rarer white color variant exists. There is also a pink eye color that occurs when flies inherit both the W+ and w alleles. The pink phenotype is an example of ________.

Accepted Answer

incomplete

Question 5

A baby has three copies of each chromosome in every cell. She is

Accepted Answer

A) euploid. 
B) aneuploid. 
C) diploid. 
D) polyploid. 
A) euploid. 
B) aneuploid. 
C) diploid. 
D) polyploid.

Question 6

A trait determined by more than one gene is polygenic.

Accepted Answer

A) True 
 B)False

Question 7

People with aneuploid sex chromosomes are more severely affected than people with aneuploid autosomes.

Accepted Answer

A) True 
 B)False

Question 8

In genomic imprinting

Accepted Answer

A) genes on the Y chromosome are only expressed in males. 
B) children copy their parents' behavior. 
C) the same allele has a different effect if inherited from the mother or father. 
D) a trait affects a structure found only in one sex. 
A) genes on the Y chromosome are only expressed in males. 
B) children copy their parents' behavior. 
C) the same allele has a different effect if inherited from the mother or father. 
D) a trait affects a structure found only in one sex.

Question 9

Genes determine all of our characteristics.

Accepted Answer

A) True 
 B)False

Question 10

The term "exome" refers to

Accepted Answer

A) the parts of the genome that determine sex. 
B) the protein-encoding parts of the genome. 
C) the parts of the genome that lie exteriorly along the chromosomes. 
D) the set of RNAs made in a particular cell type under specific conditions. 
A) the parts of the genome that determine sex. 
B) the protein-encoding parts of the genome. 
C) the parts of the genome that lie exteriorly along the chromosomes. 
D) the set of RNAs made in a particular cell type under specific conditions.

Amniocentesis provides an image of a developing fetus.

The phenotypes and genotypes that result from a cross of Aa and aa (A = normal pigmentation and a = albinism)are

A heterozygote has identical alleles of a gene and a homozygote has different alleles.

A baby has three copies of each chromosome in every cell. She is

A trait determined by more than one gene is polygenic.

People with aneuploid sex chromosomes are more severely affected than people with aneuploid autosomes.

In genomic imprinting

Genes determine all of our characteristics.

The term "exome" refers to

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Divisions of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Filters

Exam 24: Genetics and Genomics

Amniocentesis provides an image of a developing fetus.

The phenotypes and genotypes that result from a cross of Aa and aa (A = normal pigmentation and a = albinism)are

A heterozygote has identical alleles of a gene and a homozygote has different alleles.

A baby has three copies of each chromosome in every cell. She is

A trait determined by more than one gene is polygenic.

People with aneuploid sex chromosomes are more severely affected than people with aneuploid autosomes.

In genomic imprinting

Genes determine all of our characteristics.

The term "exome" refers to

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Divisions of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Filters