Cytogenetics

50問 • 1年前

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問題一覧

He is the one who documents patterns of heredity in pea plants.

Gregor Mendel

It is the capability to inherit a trait from a parent.

a. Heritability

Inherited genetic mutations play a major role in about 5 to 10% of all cancers. Under what subdivision of genetics will this mainly fall under?

Molecular Genetics

This is the basic physical and functional unit of heredity.

Gene

Characteristics such as hair, eyes, or skin color is a:

Phenotype

Which is the study of the change in alleles and genetic variation in a group of organisms?

Population Genetics

A trait-one that manifests itself even when an allele is in a heterozygous state.

a. Dominant

All of the following are true except:

Humans have 43 pairs of chromosomes.

Prokaryotic cells reproduce by

Binary fission

Escherichia coli 0157:H7 is a serotype of E. coli. What type of organism is Escherichia coli 0157:H7?

d. Neither

Produced by simple cell division called mitosis

Somatic cell

Assembly site of large and small ribosomal subunits

Nucleolus

When the genotype consists of a dominant and a recessive allele, most of the time the phenotype will be like allele:

a. The dominant

Which of the following is not true regarding the Law of Dominance?

a. All traits are controlled by simple dominance as a form of inheritance.

How traits are transmitted from one generation to the next. What Law is this?

The laws of inheritance

It refers to the fact that when two homozygotes with different alleles are crossed, all of the offspring in the F1 generation are:

The Law of Uniformity

It refers to the fact that members of different gene pairs segregate offspring independently of one another.

The Law of Independent Assortment

Sometimes, traits seem to grow stronger and gain more expressivity from one generation to the next

Anticipation

This depicts genes hiding or mask the action of other genes altogether

Epistasis

Phenotype AB:

Codominant

Death immediately and thus never expressed beyond the zygote:

Lethal alleles

It is the probability that an individual having a dominant allele will show the associated phenotype:

Penetrance

What are the stages of mitosis arranged in order?

Interphase-Prophase Metaphase Anaphase - Telophase

A pair of chromosomes that consists of XY is a:

Male

A condition in which the chromosome 21 has three copies instead of two is called:

Both Trisomy 21 and Down Syndrome

All of the following are not true regarding the functions of chromosomes, except:

c. Both A and B

The chromosomes with more than two centromeres:

Polycentric

Chromosomes without centromeres:

Accentric

Rod-shaped chromosomes with centromeres occupying a sub-terminal position. One arm is very long and the other is very short:

Acrocentric

These chromosomes have a centromere which is severely offset from the center leading to one very long and one very short section:

Acrocentric

DNA stands for?

b. Deoxyribonucleic acid

It refers to an imbalance in the number of chromosomes, with either missing or extra chromosomes:

Aneuploid

According to Chargaff's rule, Adenine pairs with ___:

Thymine

Which sugar is found in the backbone of DNA?

Deoxyribose

Who discovered the DNA double helix?

James Watson and Francis Crick

Which of the following bases are purines?

a. Adenine and guanine

All of the following is not true except:

Mitochondrial DNA is circular in shape

Which of the following is not a nucleotide found in DNA?

Uracil

Two alleles have a different nucleotide sequence, which may be caused by mutations:

Heterozygous

Type of mutation where DNA sequence is added into the existing DNA:

c. Insertion mutation

Type of mutation where there is loss of bases in the DNA:

a. Deletion mutation

It is where genes reside at specific locations on a particular chromosome:

c. Both A and B

It displays all of the chromosomes in a cell:

Karyotyping

Who used radioactive labeling to prove that DNA is responsible for heredity?

Hersey and Chase

Who proposed the chromosome theory of heredity?

Sutton and Boveri

A division of genetics that looks at the genetic makeup of larger groups:

Population genetics

It refers to the fact that when two homozygotes with different alleles are being crossed:

The Law of Uniformity

Rare exceptions to this rule can occur when two allelic genes fail to separate because of chromosome nondisjunction at the first meiotic division:

The Law of Segregation

Self-pollination by Gregor Mendel is also known as Self Fertilization. Not all plants can self-fertilize, but Mendel's peas could:

a. First statement is True and the second statement is False.

The independent inheritance of traits is called the law of independent assortment and is a consequence of meiosis. Chromosome is a segment of DNA that is the basic unit of heredity:

c. Both statements are True.

PMLS

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ANAPHY

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Anaphy P2

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Anaphy P2

Anaphy P2 (2)

Anaphy P2 (2)

Contemporary World

Contemporary World

Pmls P2

Pmls P2

hes p3

Reviewer · 100問 · 1年前

hes p3

Anachem

Anachem

sjc l1

sjc l1

bio lab1 pic

bio lab1 pic

sjc L2

sjc L2

Biostat L3

Biostat L3

sjc L3&L4

sjc L3&L4

HIS L3

HIS L3

HIS L4

HIS L4

HIS L5

HIS L5

HIS L3

HIS L3

PSTM L3-L5

PSTM L3-L5

P1 Reviewer

P1 Reviewer

CPH P2

CPH P2

P2 Mod

P2 Mod

ANCH P2

ANCH P2

ANCH P2 MOD

ANCH P2 MOD

CPH

CPH

HIS

HIS

CFU ANCH P1-P3

CFU ANCH P1-P3

anch

anch

ANCH P2 Terms

ANCH P2 Terms

BIOSTAT FINALS (1)

Reviewer · 100問 · 1年前

BIOSTAT FINALS (1)

BIOSTAT FINALS (2)

BIOSTAT FINALS (2)

BIOSTAT FORMULA

BIOSTAT FORMULA

CFU CPH 1-5

CFU CPH 1-5

CFU CPH 6-16

CFU CPH 6-16

CFU CPH 17-23

CFU CPH 17-23

CFU HIS P1

CFU HIS P1

CFU HIS P2

CFU HIS P2

CFU HIS P3

CFU HIS P3

BIOSTAT FORMULA

BIOSTAT FORMULA

Mod 1-7

Mod 1-7

Mod 1

Mod 1

Mod 2

Mod 2

Mod 3

Mod 3

Mod 4

Mod 4

Mod 6

Mod 6

Mod 1-6

Mod 1-6

Mod 7

Mod 7

Mod 1

Mod 1

Mod 2

Mod 2

Mod 3

Mod 3

Mod 4

Mod 4

Mod 5

Mod 5

Mod 6

Mod 6

Mod 1-7

Mod 1-7

Mod 1

Mod 1

Mod 2

Mod 2

Mod 3

Mod 3

Mod 4

Mod 4

Mod 5

Mod 5

Mod 6

Mod 6

Mod 7

Mod 7

Mod 1

Mod 1

Mod 2

Mod 2

Mod 3

Mod 3

Mod 1

Mod 1

Mod 6

Mod 6

Mod 1

Mod 1

Mod 2

Mod 2

Mod 5

Mod 5

Mod 7

Mod 7

Mod 5

Mod 5

Mod 7

Mod 7

Mod 4

Mod 4

Mod 6

Mod 6

Mod 2

Mod 2

Mod 3

Mod 3

Mod 5

Mod 5

Mod 4

Mod 4

Lab Management

Lab Management

Biochemistry

Biochemistry

問題一覧

He is the one who documents patterns of heredity in pea plants.

Gregor Mendel

It is the capability to inherit a trait from a parent.

a. Heritability

Inherited genetic mutations play a major role in about 5 to 10% of all cancers. Under what subdivision of genetics will this mainly fall under?

Molecular Genetics

This is the basic physical and functional unit of heredity.

Gene

Characteristics such as hair, eyes, or skin color is a:

Phenotype

Which is the study of the change in alleles and genetic variation in a group of organisms?

Population Genetics

A trait-one that manifests itself even when an allele is in a heterozygous state.

a. Dominant

All of the following are true except:

Humans have 43 pairs of chromosomes.

Prokaryotic cells reproduce by

Binary fission

Escherichia coli 0157:H7 is a serotype of E. coli. What type of organism is Escherichia coli 0157:H7?

d. Neither

Produced by simple cell division called mitosis

Somatic cell

Assembly site of large and small ribosomal subunits

Nucleolus

When the genotype consists of a dominant and a recessive allele, most of the time the phenotype will be like allele:

a. The dominant

Which of the following is not true regarding the Law of Dominance?

a. All traits are controlled by simple dominance as a form of inheritance.

How traits are transmitted from one generation to the next. What Law is this?

The laws of inheritance

It refers to the fact that when two homozygotes with different alleles are crossed, all of the offspring in the F1 generation are:

The Law of Uniformity

It refers to the fact that members of different gene pairs segregate offspring independently of one another.

The Law of Independent Assortment

Sometimes, traits seem to grow stronger and gain more expressivity from one generation to the next

Anticipation

This depicts genes hiding or mask the action of other genes altogether

Epistasis

Phenotype AB:

Codominant

Death immediately and thus never expressed beyond the zygote:

Lethal alleles

It is the probability that an individual having a dominant allele will show the associated phenotype:

Penetrance

What are the stages of mitosis arranged in order?

Interphase-Prophase Metaphase Anaphase - Telophase

A pair of chromosomes that consists of XY is a:

Male

A condition in which the chromosome 21 has three copies instead of two is called:

Both Trisomy 21 and Down Syndrome

All of the following are not true regarding the functions of chromosomes, except:

c. Both A and B

The chromosomes with more than two centromeres:

Polycentric

Chromosomes without centromeres:

Accentric

Rod-shaped chromosomes with centromeres occupying a sub-terminal position. One arm is very long and the other is very short:

Acrocentric

These chromosomes have a centromere which is severely offset from the center leading to one very long and one very short section:

Acrocentric

DNA stands for?

b. Deoxyribonucleic acid

It refers to an imbalance in the number of chromosomes, with either missing or extra chromosomes:

Aneuploid

According to Chargaff's rule, Adenine pairs with ___:

Thymine

Which sugar is found in the backbone of DNA?

Deoxyribose

Who discovered the DNA double helix?

James Watson and Francis Crick

Which of the following bases are purines?

a. Adenine and guanine

All of the following is not true except:

Mitochondrial DNA is circular in shape

Which of the following is not a nucleotide found in DNA?

Uracil

Two alleles have a different nucleotide sequence, which may be caused by mutations:

Heterozygous

Type of mutation where DNA sequence is added into the existing DNA:

c. Insertion mutation

Type of mutation where there is loss of bases in the DNA:

a. Deletion mutation

It is where genes reside at specific locations on a particular chromosome:

c. Both A and B

It displays all of the chromosomes in a cell:

Karyotyping

Who used radioactive labeling to prove that DNA is responsible for heredity?

Hersey and Chase

Who proposed the chromosome theory of heredity?

Sutton and Boveri

A division of genetics that looks at the genetic makeup of larger groups:

Population genetics

It refers to the fact that when two homozygotes with different alleles are being crossed:

The Law of Uniformity

Rare exceptions to this rule can occur when two allelic genes fail to separate because of chromosome nondisjunction at the first meiotic division:

The Law of Segregation

Self-pollination by Gregor Mendel is also known as Self Fertilization. Not all plants can self-fertilize, but Mendel's peas could:

a. First statement is True and the second statement is False.

The independent inheritance of traits is called the law of independent assortment and is a consequence of meiosis. Chromosome is a segment of DNA that is the basic unit of heredity:

c. Both statements are True.