What is the function of DNA Helicase during DNA replication?

"unzipping" the two strands of DNA

What is the function of DNA Polymerase during DNA replication?

"Unzipping" the two strands of DNA

DNA replication is considered "semi-conservative" because:

Each daughter DNA molecule consists of one strand from the parent and one new strand.

After many rounds of DNA replication, the original DNA helix is still intact

Each daughter DNA molecule consists of two new strands

The allele which determines brown hair colour (N) is dominant to that which determines blonde hair colour (n). If someone is Nn, they could be described as:

Heterozygous dominant (brown hair)

Heterozygous dominant (blonde hair)

A persons "genotype" could be described as:

The combination of alleles that they posses for a specific gene

The combination of their observable characteristics or traits

Why is DNA replication important prior to cell division?

So that each daughter cell can obtain a copy of DNA identical to the parent cell

So that each daughter cell can obtain a copy of new DNA

. A father and mother both carry the recessive gene for cystic fibrosis (c). Individuals with the healthy dominant gene (C) are unaffected. Based on the following punnett square, select ALL correct options.

The chance of a baby being born with CF is 25%

Genotypic ratio = 1:2:1 for CC:Cc:cc

The chance of a carrier being born is 50%

There are 2 different genotypes presented

Prior to cell division, the DNA must be ______. This process is considered to be ___-_______, because the new molecules of DNA each contain one strand from the _____ template and one _____ strand.

replicated; "semi-conservative"; 2: original; new.

anaphased; "semi-conservative"; 1: new; original.

cut; "completely-conservative"; 4: original; new.

replicated; "semi-conservative"; 2: new; original.

DNA & Genetics Revision

Quiz

•

Biology

•

10th Grade

•

Practice Problem

•

Medium

Katie Sandow

Used 7+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

DNA stands for:

Ribonucleic acid

Deoxyribonucleic acid

Diribonucleic acid

Deeynayyy

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Genes are short sequences of DNA that code for

Carbohydrates

Genes

Proteins

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Adenine is one of 4 DNA bases and can only bind to

Guamine

Cytosine

Thymine

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Q.
Guanine is one of 4 DNA bases and can only bind to

Cytosine

Adenine

Thymine

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following statements regarding a diploid cell is true?

The chromosomes are in pairs

There are no chromosome pairs

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following statements regarding a haploid cell is true?

The chromosomes are in pairs

There are no chromosome pairs

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the statements regarding this human karyotype is true?

This person would be a female

Chromosome 21 has 3 copies

This cell is haploid

This person would be a male

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DNA & Genetics Revision

30 questions

DNA stands for:

Genes are short sequences of DNA that code for

Adenine is one of 4 DNA bases and can only bind to

Q.
Guanine is one of 4 DNA bases and can only bind to

Which of the following statements regarding a diploid cell is true?

Which of the following statements regarding a haploid cell is true?

Which of the statements regarding this human karyotype is true?

The DNA of an organism was sequenced. 32% of the bases are Cytosine. Calculate the percentage of bases that would be Adenine.

Calculate the complementary strand for the following DNA sample:
ATGCCCGAGTTAAC

What is the function of DNA Helicase during DNA replication?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology

DNA & Genetics Revision

30 questions

DNA stands for:

Genes are short sequences of DNA that code for

Adenine is one of 4 DNA bases and can only bind to

Q. Guanine is one of 4 DNA bases and can only bind to

Which of the following statements regarding a diploid cell is true?

Which of the following statements regarding a haploid cell is true?

Which of the statements regarding this human karyotype is true?

The DNA of an organism was sequenced. 32% of the bases are Cytosine. Calculate the percentage of bases that would be Adenine.

Calculate the complementary strand for the following DNA sample:ATGCCCGAGTTAAC

What is the function of DNA Helicase during DNA replication?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology

Q.
Guanine is one of 4 DNA bases and can only bind to

Calculate the complementary strand for the following DNA sample:
ATGCCCGAGTTAAC