6.2 Passing Genes & Chromoses To Daughter Cells Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is Asexual reproduction?

A

When there is only one parent and the offspring is genetically identical to the parent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is Sexual Reproduction?

A

When Gametes are combined from two parents thus causing the offsprings to be genetically different from one another and from the parent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are Gametes?

A

They’re sex cells (Sperm nuclei and eggs)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What happens before cell division?

A

Cells must copy their DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is a Gene?

A

A section of DNA that has the instructions for making all proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How many molecules of DNA are wrapped around proteins to from a chromosome containing hundreds of genes?

A

One

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How many chromosomes do humans have?

A

46

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How are chromosomes before cell division?

A

Uncondensed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Where are duplicated chromosomes held together?

A

At the centromere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are duplicated chromosomes called?

A

Sister chromatids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How are chromosomes duplicated?

A

Through DNA replication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the sides of a DNA’s twisted ladder composed of?

A

A sugar-phosphate backbone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What forms the “rungs” of the ladder?

A

Nucleotides are connected to each other by hydrogen bonds to form the “rungs”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does Adenine (A) pair with in DNA?

A

Thymine (T)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What does Cytosine (C) pair with in DNA?

A

Guanine (G)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What occurs during DNA Replication?

A

The DNA molecule is split up the middle of the helix and the nucleotides are added to each side via hydrogen bonding

17
Q

What is Semiconservative Replication?

A

The result of two identical daughter molecules that each have one parental strand and one new strand

18
Q

What is DNA Polymerase?

A

The enzyme that replicates DNA

19
Q

How does DNA Polymerase replicated DNA?

A

By moving along the length of the unwound DNA and helping form new strands