Question 1

Males have one X and one Y on _____.

Accepted Answer

A)   each sperm
B)   the 43rd chromosome
C)   the 23rd pair of chromosomes
D)   each stem cellE) None of the above
F) A) and D)

Question 2

The interaction of a heterozygous pair of alleles in such a way that the phenotype reflects one allele more than the other is referred to as a(n) _____ pattern.

Accepted Answer

The answer of The interaction of a heterozygous pair of...

Question 3

Shortly after the zygote is formed, it begins the processes of duplication and division. Each resulting new cell has _____.

Accepted Answer

A)   the same number of chromosomes as were in the zygote
B)   half the number of chromosomes that were in the zygote
C)   twice, then four times, then eight times the number of chromosomes that were in the zygote
D)   no chromosomes at allE) A) and D)
F) A) and C)

Question 4

The single cell formed from the union of two gametes, a sperm and an ovum, is called a _____.

Accepted Answer

A)   chromosome
B)   phenotype
C)   genotype
D)   zygoteE) A) and C)
F) B) and C)

Question 5

The first 22 chromosomes contain hundreds of genes in the same positions and sequence. If the code of the gene from one parent is exactly like the code on the same gene from the other parent, the gene pair is _____.

Accepted Answer

The answer of The first 22 chromosomes contain hundreds of...

Question 6

The mitochondria in both sexes provide evidence of _____ lineage.

Accepted Answer

A)   maternal
B)   paternal
C)   racial
D)   ethnicE) A) and B)
F) None of the above

Question 7

Holly learned from her science teacher that her height resulted from about 180 genes, each contributing a tiny amount of genetic information. Holly learned that her height was due to _____.

Accepted Answer

A)   additive genes
B)   dominant genes
C)   recessive genes
D)   nonadditive genesE) A) and B)
F) All of the above

Question 8

Scott and Darpa are siblings who have the same parents. Scott has heavy, straight eyebrows, whereas Darpa has thinner, arched eyebrows. These differences in eyebrow shape are due to different _____ that each sibling received from their parents.

Accepted Answer

A)   nurture
B)   alleles
C)   gender
D)   adviceE) B) and C)
F) None of the above

Question 9

The _____ was a worldwide effort to map the complete human genetic code.

Accepted Answer

A)   Karyotype Testing
B)   Epigenetic Project
C)   Human Genome Project
D)   Single-Nucleotide PolymorphismE) A) and B)
F) B) and D)

Question 10

An individual with an extra chromosome on the 21st pair of chromosomes has _____.

Accepted Answer

A)   Down syndrome
B)   nearsightedness
C)   fragile X syndrome
D)   Turner syndromeE) B) and D)
F) None of the above

Question 11

Due to biological sex (XX or XY) , women become drunk on _____ than men.

Accepted Answer

A)   more alcohol
B)   less alcohol
C)   the same amount of alcohol
D)   more alcohol in the summer and less alcohol in the winterE) All of the above
F) A) and D)

Question 12

The 23 pairs of chromosomes in a zygote duplicate and form two complete sets of the genome. This process is referred to as duplication.

Accepted Answer

A) True 
 B)False

Question 13

Every ovum that a woman creates contains an X chromosome.

Accepted Answer

A) True 
 B)False

Question 14

Some individuals react to alcohol with sleepiness, nausea, or joy. Different reactions may be due to _____.

Accepted Answer

A)   different types of alcohol
B)   variations in drinking styles
C)   individual differences in biochemistry
D)   climatic differences between regionsE) None of the above
F) B) and C)

Question 15

In 22 of the 23 pairs of chromosomes, both members of the pair are closely matched. Each of these 44 chromosomes is called a(n) _____.

Accepted Answer

The answer of In 22 of the 23 pairs of...

Question 16

A variation that makes a gene different in some way from other genes for the same characteristics is a(n)  _____.

Accepted Answer

A)   chromosome
B)   zygote
C)   genotype
D)   alleleE) B) and C)
F) A) and B)

Question 17

Which statement is true about alcohol use disorder?

Accepted Answer

A)   Alcohol use disorder is polygenic, and culture is a pivotal factor.
B)   Alcohol use disorder is polygenic, and genes are a pivotal factor.
C)   Alcohol use disorder is X-linked, and culture is a pivotal factor.
D)   Alcohol use disorder is X-linked, and genes are a pivotal factor.E) None of the above
F) A) and D)

Question 18

When the effects of genes add up to make the phenotype, they are called _____ genes.

Accepted Answer

A)   dominant
B)   recessive
C)   additive
D)   nonadditiveE) C) and D)
F) B) and C)

Question 19

Fraternal twins are also called _____ twins.

Accepted Answer

A)   monozygotic
B)   dizygotic
C)   zygotic
D)   gameteE) A) and D)
F) C) and D)

Question 20

The one-celled zygote copies itself again and again and changes names as it multiplies. These names include _____.

Accepted Answer

A)   genome
B)   blastocyst
C)   placenta
D)   chorionic villiE) C) and D)
F) All of the above

Exam 3: The New Genetics

Due to biological sex (XX or XY) , women become drunk on _____ than men.

Correct AnswerverifiedShow Answer

In 22 of the 23 pairs of chromosomes, both members of the pair are closely matched. Each of these 44 chromosomes is called a(n) _____.

Correct AnswerverifiedShow Answer

Every ovum that a woman creates contains an X chromosome.

Correct AnswerverifiedShow Answer

The _____ was a worldwide effort to map the complete human genetic code.

Correct AnswerverifiedShow Answer

Males have one X and one Y on _____.

Correct AnswerverifiedShow Answer

Scott and Darpa are siblings who have the same parents. Scott has heavy, straight eyebrows, whereas Darpa has thinner, arched eyebrows. These differences in eyebrow shape are due to different _____ that each sibling received from their parents.

Correct AnswerverifiedShow Answer

An individual with an extra chromosome on the 21st pair of chromosomes has _____.

Correct AnswerverifiedShow Answer

The single cell formed from the union of two gametes, a sperm and an ovum, is called a _____.

Correct AnswerverifiedShow Answer

Fraternal twins are also called _____ twins.

Correct AnswerverifiedShow Answer

Which statement is true about alcohol use disorder?

Correct AnswerverifiedShow Answer

When the effects of genes add up to make the phenotype, they are called _____ genes.

Correct AnswerverifiedShow Answer

The one-celled zygote copies itself again and again and changes names as it multiplies. These names include _____.

Correct AnswerverifiedShow Answer

Some individuals react to alcohol with sleepiness, nausea, or joy. Different reactions may be due to _____.

Correct AnswerverifiedShow Answer

The first 22 chromosomes contain hundreds of genes in the same positions and sequence. If the code of the gene from one parent is exactly like the code on the same gene from the other parent, the gene pair is _____.

Correct AnswerverifiedShow Answer

A variation that makes a gene different in some way from other genes for the same characteristics is a(n) _____.

Correct AnswerverifiedShow Answer

Shortly after the zygote is formed, it begins the processes of duplication and division. Each resulting new cell has _____.

Correct AnswerverifiedShow Answer

The 23 pairs of chromosomes in a zygote duplicate and form two complete sets of the genome. This process is referred to as duplication.

Correct AnswerverifiedShow Answer

Holly learned from her science teacher that her height resulted from about 180 genes, each contributing a tiny amount of genetic information. Holly learned that her height was due to _____.

Correct AnswerverifiedShow Answer

The interaction of a heterozygous pair of alleles in such a way that the phenotype reflects one allele more than the other is referred to as a(n) _____ pattern.

Correct AnswerverifiedShow Answer

The mitochondria in both sexes provide evidence of _____ lineage.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified