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Unit 4 Genetics

Total questions: 66

Worksheet time: 33mins

Name
Class
Date
1.

Sections of DNA that serve as the blueprint/instructions for making proteins

a)

Gene

b)

RNA

c)

Sugar

d)

Phosphate

2.

DNA

a)

Deoxyribonucleic acid

b)

Ribonucleic acid

c)

Double Helix

d)

Deoxyribose

3.

RNA

a)

Deoxyribonucleic acid

b)

Ribonucleic acid

c)

Double Helix

d)

Deoxyribose

4.

Two types of nucleic acids

a)

DNA & Genes

b)

RNA & Ribose

c)

DNA & RNA

d)

Phosphate & Glucose

5.

Nucleotides are made of 3 parts:

a)

Sugar, Ribose & Guanine

b)

Phosphate, Nitrogen Base & Ribose

c)

Adenine, Thymine & Phosphate

d)

Phosphate, Sugar & Nitrogen Base

6.

The Nitrogen Base Thymine is only found in

a)

DNA

b)

RNA

7.

The Nitrogen Base Uracil is only found in

a)

DNA

b)

RNA

8.

DNA structure is like a twisted ladder called a

a)

Single Strand

b)

Double Helix

c)

Twisted Helix

d)

Twisted Strand

9.

Nitrogen bases bond only to their complementary base pair with hydrogen bonds in DNA

a)

Adenine will only pair with Thymine

b)

Adenine will only pair with Guanine

c)

Adenine will only pair with Cytosine

d)

Adenine will only pair with Uracil

10.

Nitrogen bases bond only to their complementary base pair with hydrogen bonds in DNA

a)

Guanine will only pair with Thymine

b)

Guanine will only pair with Guanine

c)

Guanine will only pair with Cytosine

d)

Guanine will only pair with Uracil

11.

RNA structures are called ___ they are nucleotides with exposed bases

a)

Double Helix

b)

Single Helix

c)

Single Strand

d)

Double Strand

12.

A single strand of RNA base binds with DNA base

a)

Adenine binds with Uracil

b)

Adenine binds with Guanine

c)

Adenine binds with Cytosine

d)

Adenine binds with Thymine

13.

A single strand of RNA base binds with DNA base

a)

Cytosine binds with Uracil

b)

Cytosine binds with Guanine

c)

Cytosine binds with Adenine

d)

Cytosine binds with Thymine

14.

DNA Nucleotides used:

a)

Adenine

Guanine

Cytosine

Thymine

b)

Adenine

Guanine

Cytosine

Uracil

c)

Adenine

Glucose

Cytosine

Thymine

d)

Adenine

Guanine

Cytosine

Ribose

15.

RNA Nucleotides used:

a)

Adenine

Guanine

Cytosine

Thymine

b)

Adenine

Guanine

Cytosine

Uracil

c)

Adenine

Glucose

Cytosine

Thymine

d)

Adenine

Guanine

Cytosine

Ribose

16.

DNA Sugar Used:

a)

Deoxyribose

b)

Ribose

c)

Glucose

d)

Phosphate

17.

RNA Sugar Used:

a)

Deoxyribose

b)

Ribose

c)

Glucose

d)

Phosphate

18.

DNA Structure

a)

Double Helix

b)

Single Helix

c)

Single Strand

d)

Double Strand

19.

RNA Structure

a)

Double Helix

b)

Single Helix

c)

Single Strand

d)

Double Strand

20.

Tightly coiled strands of DNA

Different organisms have different numbers

a)

Chromosomes

b)

Genes

c)

Diploid

d)

Haploid

21.

Humans have how many chromosomes

a)

23 pair

b)

46 pair

c)

24 pair

d)

48 pair

22.

Where do humans get their chromosomes from

a)

23 from mom

23 from dad

b)

24 from mom

24 from dad

c)

46 from mom

46 from dad

d)

33 from mom

33 from dad

23.

In humans, DNA replication takes place in the

a)

Cytoplasm

b)

Nucleus

c)

Mitochondria

d)

Ribosome

24.

A chain of amino acids; can bind to others and fold into a protein

a)

Nucleotides

b)

Proteins

c)

Polypeptide

d)

Lipids

25.

Copies instructions in DNA and carries these to the ribosomes in the cytoplasm

a)

mRNA

b)

tRNA

c)

rRNA

d)

dRNA

26.

Binds and carries specific amino acids to the ribosome

a)

mRNA

b)

tRNA

c)

rRNA

d)

dRNA

27.

Along with proteins, it will make up the ribosome

a)

mRNA

b)

tRNA

c)

rRNA

d)

dRNA

28.

The sequence of ___ in a DNA molecule determines the protein that will be produced

a)

Lipids

b)

Nucleotides

c)

Proteins

d)

Sugars

29.

During ______, the cell uses information from messenger RNA to make polypeptide/proteins

a)

Replication

b)

Transcription

c)

Translation

d)

Meiosis

30.

During protein synthesis, what does mRNA do

a)

Delivers DNA’s instructions for making proteins to the ribosome

b)

Constructs proteins out of amino acids

c)

Strings together complementary RNA strands

d)

Delivers amino acids to assemble the polypeptide

31.

Subunit that makes up nucleic acids

a)

Chromosome

b)

Gene

c)

Nucleotide

d)

Codon

32.

Subunit that makes up proteins

a)

Chromosome

b)

Amino Acid

c)

Nucleotide

d)

Codon

33.

A portion of a chromosome that codes for a single protein

a)

Chromosome

b)

Gene

c)

Nucleotide

d)

Codon

34.

A portion of DNA that is condensed and rod-like

a)

Chromosome

b)

Gene

c)

Nucleotide

d)

Codon

35.

A set of 3 nucleotides that code for a specific amino acid

a)

Chromosome

b)

Gene

c)

Nucleotide

d)

Codon

36.

Body cells

a)

Somatic Cells

b)

Gametes

c)

Sex Cell

d)

Haploid Cell

37.

Sex cells

a)

Somatic Cells

b)

Gametes

c)

Diploid Cell

d)

Body Cell

38.

Sex Cells are

a)

Diploid Cells

b)

Haploid Cells

39.

Somatic Cells are

a)

Diploid Cells

b)

Haploid Cells

40.

2 full sets of chromosomes

a)

Diploid Cells

b)

Haploid Cells

41.

1 full sets of chromosomes

a)

Diploid Cells

b)

Haploid Cells

42.

Type of chromosome: Carry traits that make you who you are

a)

Karyotype

b)

Autosomes

c)

Sex Chromosomes

d)

Gametes

43.

The diagram that shows the number and visual appearance of the chromosomes in a cell

a)

Karyotype

b)

Autosomes

c)

Sex Chromosomes

d)

Gametes

44.

Type of chromosome: Carry traits that make you who you are AND determine your biological sex

a)

Karyotype

b)

Autosomes

c)

Sex Chromosomes

d)

Gametes

45.

The process of cell division that makes gametes in the gonads

ovaries in females, testes in males

a)

Mitosis

b)

Meiosis

46.

Which cells are NOT formed during meiosis

a)

Somatic Cells

b)

Gametes

c)

Sex Cells

d)

Sperm Cells

47.

Two similar chromosomes that you inherit from your parents (one from your mother and one from your father) are  called

a)

Sister Chromosomes

b)

Sex Chromosomes

c)

Homologous Chromosomes

d)

Homozygous Alleles

48.

In which phase of meiosis would certain gene segments of the homologous pairs of chromosomes "crossover" and  exchange genetic information

a)

Prophase I

b)

Metaphase I

c)

Anaphase I

d)

Telophase I

49.

Which event takes place during anaphase II of meiosis

a)

nuclear membrane breaks down

b)

sister chromatids separate

c)

spindle fibers break down

d)

cytoplasm divides

50.

Somatic cells in humans contain ____ chromosomes and an example is ___

a)

30; skin

b)

23; heart cell

c)

46; liver cells

d)

46; sperm cells

51.

Chromosomes line up in the middle of the cell single file during which phase

a)

Telophase I

b)

Telophase II

c)

Metaphase I

d)

Metaphase II

52.

Organisms that reproduce sexually (like humans) fuse the genetic information (gametes) from two parents to produce offspring that are a genetic mixture of both parents

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Fertilization

d)

Gametes

53.

The actual fusion of egg and sperm to form a zygote

a)

Sexual Reproduction

b)

Asexual Reproduction

c)

Fertilization

d)

Gametes

54.

The process of creating gametes: sex cells that have HALF the normal number of chromosomes (only 1 set)

a)

Mitosis

b)

Meiosis

c)

Sexual Reproduction

d)

Chromosomes

55.

Chromosome pairs that have the same types of genes

-one from mom and one from dad

a)

Homologous Chromosomes

b)

Sister Chromosomes

c)

Gamates

d)

Haploids

56.

2 identical copies of the same chromosome

a)

Homologous Chromosomes

b)

Sister Chromosomes

c)

Gamates

d)

Haploids

57.

What occurs during Meiosis I

a)

The growth phase of the cell cycle

b)

Separation of sister chromatids

c)

Dormant phase

d)

Separation of homologous chromosomes

58.

What occurs during Meiosis II

a)

The growth phase of the cell cycle

b)

Separation of sister chromatids

c)

Dormant phase

d)

Separation of homologous chromosomes

59.

Prophase I

a)

Homologous chromosomes are lined up in the middle of the cell in pairs

b)

Homologous chromosomes are lined up together

c)

Homologous chromosomes pairs separate, one chromosome (2 sister chromatids) pulled away to each side of the cell

d)

Chromosomes gather at the poles

Nuclear membranes may reform

60.

Metaphase I

a)

Homologous chromosomes are lined up in the middle of the cell in pairs

b)

Homologous chromosomes are lined up together

c)

Homologous chromosomes pairs separate, one chromosome (2 sister chromatids) pulled away to each side of the cell

d)

Chromosomes gather at the poles

Nuclear membranes may reform

61.

Anaphase I

a)

Homologous chromosomes are lined up in the middle of the cell in pairs

b)

Homologous chromosomes are lined up together

c)

Homologous chromosomes pairs separate, one chromosome (2 sister chromatids) pulled away to each side of the cell

d)

Chromosomes gather at the poles

Nuclear membranes may reform

62.

Telophase I

a)

Homologous chromosomes are lined up in the middle of the cell in pairs

b)

Homologous chromosomes are lined up together

c)

Homologous chromosomes pairs separate, one chromosome (2 sister chromatids) pulled away to each side of the cell

d)

Chromosomes gather at the poles

Nuclear membranes may reform

63.

Prophase II

a)

Sister chromatids line up in the middle of the cells single file

b)

Nuclear membrane breaks down (if they reformed)

Spindle fibers form and attach to the centromeres of the sister chromatids

c)

Sister chromatids separate and are pulled away from each other to each side of the cells

d)

Nuclear membranes form around each set of chromosomes

Spindle fibers dissolve

64.

Metaphase II

a)

Sister chromatids line up in the middle of the cells single file

b)

Nuclear membrane breaks down (if they reformed)

Spindle fibers form and attach to the centromeres of the sister chromatids

c)

Sister chromatids separate and are pulled away from each other to each side of the cells

d)

Nuclear membranes form around each set of chromosomes

Spindle fibers dissolve

65.

Anaphase II

a)

Sister chromatids line up in the middle of the cells single file

b)

Nuclear membrane breaks down (if they reformed)

Spindle fibers form and attach to the centromeres of the sister chromatids

c)

Sister chromatids separate and are pulled away from each other to each side of the cells

d)

Nuclear membranes form around each set of chromosomes

Spindle fibers dissolve

66.

Telophase II

a)

Sister chromatids line up in the middle of the cells single file

b)

Nuclear membrane breaks down (if they reformed)

Spindle fibers form and attach to the centromeres of the sister chromatids

c)

Sister chromatids separate and are pulled away from each other to each side of the cells

d)

Nuclear membranes form around each set of chromosomes

Spindle fibers dissolve

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