Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology B6 revision > Inheritance, Variation and evolution > Flashcards

Inheritance, Variation and evolution Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

What does DNA stand for?

A

Deoxyribonucleic acid

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

What letters does a male chromosome have?

A

XY

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

What letter does a female chromosome have?

A

XX

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

What are Chromosomes?

A

They are really long Molecules of DNA.

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

What is a Gene?

A

Is a small section of DNA found on each chromosome.

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

What do Genes code for?

A

Genes code for a sequence of amino acids which when folded up makes specific protein.

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

What are mutations?

A

Changes to the genome.

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

What is a Genome?

A

A genome of an organism is its hereditary encoded in DNA.

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

What does the 23rd pair of a chromosome decide?

A

Your sex

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

What does sexual reproduction involve?

A

Gametes

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

What are gametes?

A

Sex cells

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

What do Gametes contain?

A

Chromosomes

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

What does a Recessive allele mean?

A

an allele that produces its characteristic phenotype only when its paired allele is identical

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

What is the actual definition of sexual reproduction?

A

This involves the fusion of male and female gametes because of 2 parents, the offspring contains a mixture of their parents genes.

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

What is an advantage of sexual reproduction?

A

It produces variation of offspring.

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

What does Asexual reproduction produce?

A

Genetically identical cells

17
Q

How is Cystic Fibrosis caused by?

A

It is caused by a recessive allele.

18
Q

What are people with only one copy of the allele called?

A

Carriers

19
Q

What is the difference between Asexual and sexual reproduction?

A

Sexual reproduction produces genetically different cells and Asexual reproduction produces genetically identical cells.

20
Q

In gametes, are the chromosomes paired or single?

A

Single

21
Q

How are gametes made?

A

Meiosis

22
Q

What is Meiosis?

A

Type of cell division which produces gametes which have half the number of chromosomes init.

23
Q

What is Mitosis?

A

When a single cell divides into two identical daughter cells each producing identical copies.

Biology B6 revision (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions