Question 1

What causes the furrow during cleavage?

Accepted Answer

A) It is a depression caused by the formation of a new cell wall. 
B) A ring of contractile protein fibers pinches the cell in two. 
C) Connecting proteins that had been binding adjacent cells together now dissolve. 
D) A loss of water occurs. 
A) It is a depression caused by the formation of a new cell wall. 
B) A ring of contractile protein fibers pinches the cell in two. 
C) Connecting proteins that had been binding adjacent cells together now dissolve. 
D) A loss of water occurs.

Question 2

What is different between two alleles of the same gene?

Accepted Answer

A) Their location.For example,one allele might be at the end of one chromosome while the other allele is in the middle of another chromosome. 
B) The chromosome number they are on.For example,one allele might be on chromosome 12 while the other one is on chromosome 3. 
C) Their base sequence.For example,one allele might have the base sequence AGGTCTGA while the other has the base sequence GGTCTGT. 
D) The cell they are in.For example,one might be in a liver cell while the other is in a blood cell. 
A) Their location.For example,one allele might be at the end of one chromosome while the other allele is in the middle of another chromosome. 
B) The chromosome number they are on.For example,one allele might be on chromosome 12 while the other one is on chromosome 3. 
C) Their base sequence.For example,one allele might have the base sequence AGGTCTGA while the other has the base sequence GGTCTGT. 
D) The cell they are in.For example,one might be in a liver cell while the other is in a blood cell.

Question 3

During which phase of the cell cycle are the chromosomes duplicated?

Accepted Answer

A) Interphase 
B) Mitosis 
C) Meiosis 
D) Cytokinesis 
A) Interphase 
B) Mitosis 
C) Meiosis 
D) Cytokinesis

Question 4

A true-breeding milk chocolate Easter bunny is crossed with a true-breeding dark chocolate Easter bunny.Assuming dark chocolate is dominant over milk chocolate and the traits segregate according to Mendelian genetics,which traits will the offspring express?

Accepted Answer

A) 3 Dark to 1 Milk 
B) 3 Milk to 1 Dark 
C) All Milk 
D) All Dark 
A) 3 Dark to 1 Milk 
B) 3 Milk to 1 Dark 
C) All Milk 
D) All Dark

Question 5

Dead or damaged cells are replaced by ________.

Accepted Answer

A) syngamy 
B) binary fission 
C) meiosis 
D) mitosis 
A) syngamy 
B) binary fission 
C) meiosis 
D) mitosis

Question 6

Assuming incomplete dominance,if a homozygous red-flowered plant is crossed with a homozygous white-flowered plant,what will be the color of the offspring?

Accepted Answer

A) Red 
B) White 
C) Pink 
D) Red and white 
A) Red 
B) White 
C) Pink 
D) Red and white

Question 7

Upon fertilization,the egg and sperm fuse to form a single cell called a(n)________.

Accepted Answer

A) zygote 
B) gamete 
C) embryo 
D) gonad 
A) zygote 
B) gamete 
C) embryo 
D) gonad

Question 8

If your grandparents were in the F₁ generation,what generation are you?

Accepted Answer

A) F₃ 
B) H₃ 
C) P 
D) P₃ 
A) F₃ 
B) H₃ 
C) P 
D) P₃

Question 9

What is the gender of the person indicated in the photograph?

Accepted Answer

A) Male 
B) Female 
C) Cannot be determined 
A) Male 
B) Female 
C) Cannot be determined

Question 10

The offspring produced via sexual reproduction are genetically ________ to the parents.

Accepted Answer

A) indifferent 
B) identical 
C) parsimonious 
D) unique 
A) indifferent 
B) identical 
C) parsimonious 
D) unique

Question 11

Which of the following is the correct sequence of events during mitosis?

Accepted Answer

A) Nuclear membrane dissolves,chromosomes line up,chromosomes split,nuclear membrane forms 
B) Nuclear membrane forms,chromosomes line up,chromosomes split,nuclear membrane dissolves 
C) Chromosomes line up,nuclear membrane forms,nuclear membrane dissolves,chromosomes split 
D) Chromosomes split,nuclear membrane dissolves,nuclear membrane forms,chromosomes line up 
A) Nuclear membrane dissolves,chromosomes line up,chromosomes split,nuclear membrane forms 
B) Nuclear membrane forms,chromosomes line up,chromosomes split,nuclear membrane dissolves 
C) Chromosomes line up,nuclear membrane forms,nuclear membrane dissolves,chromosomes split 
D) Chromosomes split,nuclear membrane dissolves,nuclear membrane forms,chromosomes line up

Question 12

Which process specifically refers to a cell physically dividing into two cells?

Accepted Answer

A) Mitosis 
B) Cytokinesis 
C) Interphase 
D) Meiosis 
A) Mitosis 
B) Cytokinesis 
C) Interphase 
D) Meiosis

Question 13

Define Mendel's law of independent assortment.

Accepted Answer

A) The inheritance of one character has no effect on the inheritance of another character. 
B) Segregation of homologous chromosomes is random. 
C) The expression of one gene has no effect on the expression of another gene. 
D) There are two versions of each trait,a dominant and a recessive; the one you get is random. 
A) The inheritance of one character has no effect on the inheritance of another character. 
B) Segregation of homologous chromosomes is random. 
C) The expression of one gene has no effect on the expression of another gene. 
D) There are two versions of each trait,a dominant and a recessive; the one you get is random.

Question 14

How many chromosomes would a typical human cell have after mitosis but before cytokinesis?

Accepted Answer

A) 0 
B) 23 
C) 46 
D) 92 
A) 0 
B) 23 
C) 46 
D) 92

Question 15

What are attached at the centromere?

Accepted Answer

A) Homologous chromosomes 
B) Sister chromatids 
C) Daughter cells 
D) Genomes 
A) Homologous chromosomes 
B) Sister chromatids 
C) Daughter cells 
D) Genomes

Question 16

What produces genetically unique daughter cells?

Accepted Answer

A) Meiosis 
B) Mitosis 
C) Both of these 
D) Neither of these 
A) Meiosis 
B) Mitosis 
C) Both of these 
D) Neither of these

Question 17

When does one allele alter another allele?

Accepted Answer

A) Mitosis 
B) Meiosis I 
C) Meiosis II 
D) Never 
A) Mitosis 
B) Meiosis I 
C) Meiosis II 
D) Never

Question 18

What was the probability that Deirdre and Geoff's first child would be a girl and express the albino trait?

Accepted Answer

A) 1/4 
B) 1/2 
C) 1/8 
D) 3/4 
A) 1/4 
B) 1/2 
C) 1/8 
D) 3/4

Question 19

Why are individuals with Turner syndrome always female and individuals with Klinefelter syndrome always male?

Accepted Answer

Individuals with Turner syndrome have an

Question 20

How many chromosomes did you inherit from your father?

Accepted Answer

A) 2 
B) 23 
C) 24 
D) 46 
A) 2 
B) 23 
C) 24 
D) 46

What causes the furrow during cleavage?

What is different between two alleles of the same gene?

During which phase of the cell cycle are the chromosomes duplicated?

A true-breeding milk chocolate Easter bunny is crossed with a true-breeding dark chocolate Easter bunny.Assuming dark chocolate is dominant over milk chocolate and the traits segregate according to Mendelian genetics,which traits will the offspring express?

Dead or damaged cells are replaced by ________.

Assuming incomplete dominance,if a homozygous red-flowered plant is crossed with a homozygous white-flowered plant,what will be the color of the offspring?

Upon fertilization,the egg and sperm fuse to form a single cell called a(n)________.

If your grandparents were in the F₁ generation,what generation are you?

What is the gender of the person indicated in the photograph?

The offspring produced via sexual reproduction are genetically ________ to the parents.

Which of the following is the correct sequence of events during mitosis?

Which process specifically refers to a cell physically dividing into two cells?

Define Mendel's law of independent assortment.

How many chromosomes would a typical human cell have after mitosis but before cytokinesis?

What are attached at the centromere?

What produces genetically unique daughter cells?

When does one allele alter another allele?

What was the probability that Deirdre and Geoff's first child would be a girl and express the albino trait?

Why are individuals with Turner syndrome always female and individuals with Klinefelter syndrome always male?

How many chromosomes did you inherit from your father?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters

Exam 5: Chromosomes and Inheritance

What causes the furrow during cleavage?

What is different between two alleles of the same gene?

During which phase of the cell cycle are the chromosomes duplicated?

A true-breeding milk chocolate Easter bunny is crossed with a true-breeding dark chocolate Easter bunny.Assuming dark chocolate is dominant over milk chocolate and the traits segregate according to Mendelian genetics,which traits will the offspring express?

Dead or damaged cells are replaced by ________.

Assuming incomplete dominance,if a homozygous red-flowered plant is crossed with a homozygous white-flowered plant,what will be the color of the offspring?

Upon fertilization,the egg and sperm fuse to form a single cell called a(n)________.

If your grandparents were in the F₁ generation,what generation are you?

What is the gender of the person indicated in the photograph?

The offspring produced via sexual reproduction are genetically ________ to the parents.

Which of the following is the correct sequence of events during mitosis?

Which process specifically refers to a cell physically dividing into two cells?

Define Mendel's law of independent assortment.

How many chromosomes would a typical human cell have after mitosis but before cytokinesis?

What are attached at the centromere?

What produces genetically unique daughter cells?

When does one allele alter another allele?

What was the probability that Deirdre and Geoff's first child would be a girl and express the albino trait?

Why are individuals with Turner syndrome always female and individuals with Klinefelter syndrome always male?

How many chromosomes did you inherit from your father?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters