{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

1

Short wings in fruit flies is:

1

In this image of the human karyotype:

1

In a nucleosome, what is the DNA wrapped around?

1

During meiosis, metaphase I has ____________ amount of genetic material than a normal body cell undergoing no chromosome activity.

1

Sister chromatids begin to move apart in animal cells during:

1

An allele is

1

Which of the following statements is false?

Humans have 46 chromosomes

Humans have 23 pairs of chromosomes

Humans have 1 pair of sex chromosomes

Humans have 22 autosomes

Sex chromosomes are considered a homologous pair

1

HL - What kind of meiotic non-disjunction can lead to an XXY son?

Non-disjunction at meiosis I in the formation of sperm

Non-disjunction at meiosis I in the formation of eggs

Non-disjunction at meiosis II of the Y chromosome in the formation of sperm

All except non-disjunction at meiosis II of the Y chromosome in the formation of sperm

Non-disjunction at meiosis II in the formation of eggs.

1

Nucleotides are:

the building-blocks of protein

made of a ribose, a phosphate, and a base and are basic in nature

the building-blocks of the cell

made of a ribose, a phosphate, and a base and are acidic in nature

made of a ribose, a sulfate, and a base

1

Which statement about DNA bases is true?

Thymine and adenine are pyrimidines.

Guanine and cytosine are purines.

None are correct

Guanine and cytosine are pyrimidines.

Adenine and guanine are purines.

1

Which statement about RNA is true?

It has one less oxygen in its ribose.

Thymine is one of its nitrogenous bases.

It is a double-stranded molecule.

None are true.

Uracil is one of its nitrogenous bases.

1

According to Chargaff’s rules for DNA base composition, if a DNA sample contained 10%
guanine, the sample should have:

1

Which of the following could cause DNA mutations

1

Types of mutation include

1

One half of a DNA strand has the following sequence of bases GCTACGGCGTTATCCCC.
What would appear on the other half?

5

SL/HL - Outline how the process of meiosis can lead to Down's syndrome. 5 marks

7

Genetics - 3.1-3.3 + Nucleotides

Genetics - 3.1-3.3 + Nucleotides

Short wings in fruit flies is:

In this image of the human karyotype:

In a nucleosome, what is the DNA wrapped around?

During meiosis, metaphase I has ____________ amount of genetic material than a normal body cell undergoing no chromosome activity.

Sister chromatids begin to move apart in animal cells during:

An allele is

Which of the following statements is false?

HL - What kind of meiotic non-disjunction can lead to an XXY son?

Nucleotides are:

Which statement about DNA bases is true?

Which statement about RNA is true?

According to Chargaff’s rules for DNA base composition, if a DNA sample contained 10%
guanine, the sample should have:

Which of the following could cause DNA mutations

Types of mutation include

One half of a DNA strand has the following sequence of bases GCTACGGCGTTATCCCC.
What would appear on the other half?

SL/HL - Outline how the process of meiosis can lead to Down's syndrome. 5 marks

HL - Describe the consequences of a base substitution mutation with regards to sickle cell anemia. 7 marks

Short wings in fruit flies is:

In this image of the human karyotype:

In a nucleosome, what is the DNA wrapped around?

During meiosis, metaphase I has ____________ amount of genetic material than a normal body cell undergoing no chromosome activity.

Sister chromatids begin to move apart in animal cells during:

An allele is

Which of the following statements is false?

HL - What kind of meiotic non-disjunction can lead to an XXY son?

Nucleotides are:

Which statement about DNA bases is true?

Which statement about RNA is true?

According to Chargaff’s rules for DNA base composition, if a DNA sample contained 10%
guanine, the sample should have:

Which of the following could cause DNA mutations

Types of mutation include

One half of a DNA strand has the following sequence of bases GCTACGGCGTTATCCCC.
What would appear on the other half?

SL/HL - Outline how the process of meiosis can lead to Down's syndrome. 5 marks

HL - Describe the consequences of a base substitution mutation with regards to sickle cell anemia. 7 marks

Genetics - 3.1-3.3 + Nucleotides

Genetics - 3.1-3.3 + Nucleotides

Short wings in fruit flies is:

In this image of the human karyotype:

In a nucleosome, what is the DNA wrapped around?

During meiosis, metaphase I has ____________ amount of genetic material than a normal body cell undergoing no chromosome activity.

Sister chromatids begin to move apart in animal cells during:

An allele is

Which of the following statements is false?

HL - What kind of meiotic non-disjunction can lead to an XXY son?

Nucleotides are:

Which statement about DNA bases is true?

Which statement about RNA is true?

According to Chargaff’s rules for DNA base composition, if a DNA sample contained 10%guanine, the sample should have:

Which of the following could cause DNA mutations

Types of mutation include

One half of a DNA strand has the following sequence of bases GCTACGGCGTTATCCCC. What would appear on the other half?

SL/HL - Outline how the process of meiosis can lead to Down's syndrome. 5 marks

HL - Describe the consequences of a base substitution mutation with regards to sickle cell anemia. 7 marks

Short wings in fruit flies is:

In this image of the human karyotype:

In a nucleosome, what is the DNA wrapped around?

During meiosis, metaphase I has ____________ amount of genetic material than a normal body cell undergoing no chromosome activity.

Sister chromatids begin to move apart in animal cells during:

An allele is

Which of the following statements is false?

HL - What kind of meiotic non-disjunction can lead to an XXY son?

Nucleotides are:

Which statement about DNA bases is true?

Which statement about RNA is true?

According to Chargaff’s rules for DNA base composition, if a DNA sample contained 10%guanine, the sample should have:

Which of the following could cause DNA mutations

Types of mutation include

One half of a DNA strand has the following sequence of bases GCTACGGCGTTATCCCC. What would appear on the other half?

SL/HL - Outline how the process of meiosis can lead to Down's syndrome. 5 marks

HL - Describe the consequences of a base substitution mutation with regards to sickle cell anemia. 7 marks

According to Chargaff’s rules for DNA base composition, if a DNA sample contained 10%
guanine, the sample should have:

One half of a DNA strand has the following sequence of bases GCTACGGCGTTATCCCC.
What would appear on the other half?

According to Chargaff’s rules for DNA base composition, if a DNA sample contained 10%
guanine, the sample should have:

One half of a DNA strand has the following sequence of bases GCTACGGCGTTATCCCC.
What would appear on the other half?