Brainscape's Knowledge GenomeTM

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


See full index

Life Sciences-Genetics > Inheritance > Flashcards

Inheritance Flashcards

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

What is inheritance?

A

The way in which parents pass on their characteristics to their offspring.

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

What is genetics?

A

The study of inheritance

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

Genes from the father are inside the ______ nucleus.

Genes from the mother are inside the ______ nucleus.

A

Sperm

Egg

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

What is fertilization?

A

When the nucleus of the sperm joins with nucleus of the nucleus of the egg. A new individual grows from the fertilized egg or zygote.

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

So half of the genes come from the _______ and half come from the _____.

A

Father

Mother

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

What is a zygote?

A

A zygote is a eukaryotic cell formed by a fertilization event between two gametes.

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

What do all cells have ?

A

Nucleus

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

What does the nucleus contain?

A

Thread-like chromosomes.

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

What are chromosomes?

A

A thread like structure of nucleic acids and protein found in the nucleus of cells which carry genetic information in the form of genes.

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

How many chromosomes do we have? And how many male and female?

A

46, 23 male and 23 female.

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

What is a diploid?

A

The full number of chromosomes

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

True or false

DNA is in different shapes and sizes and you can superset them into identical pairs

A

False, it’s Chromosomes

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

How many pairs of chromosomes do each of the following organisms have: humans,cats and fruit flies ?

A

23
19
4

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

What is each chromosome made up of?

A

Genes

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

What are genes?

A

They carry the genetic information that affects how we grow and what we look like. For example there is a gene for eye colour and height etc.

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

What would happen if we unravel a chromosome?

A

We would find an extremely long thread. The thread is made of DNA

17
Q

What does DNA stand for?

A

Deoxyribonucleic acid

18
Q

A single gene is made of a short length of ____. So the long thread that makes up a chromosomes contains ______ of genes.

A

DNA

Hundreds

19
Q

What is a DNA molecule made up of?

A

Thousands of units each called a nucleotide.

20
Q

What is a single nucleotide made up of?

A
  • a phosphate
  • a sugar
  • a base
21
Q

What do the phosphate and sugar molecules do?

A

Join up to form the backbone of the DNA strand. The bases are attached to the sugar molecules.

22
Q

DNA is made up of 2 strands of ___________, like a ladder. The sugar and phosphates makes up the _______ Of the ladder and the bases make up the ______. And then the whole molecule is twisted into _______ _______-like a spiral staircase.

A

Nucleotides
Uprights
Rungs
Double Helix

23
Q

How are the bases in DNA joined together?

A

Held together by hydrogen bonds

24
Q

What are four different bases in DNA?

A

Thymine
Adenine
Cytosine
Guanine

25
Q

How the bases pair up ?

A

A and T

C and G

26
Q

How are hydrogen bonds able to fold the nucleotides together?

A

There are many of them .

Life Sciences-Genetics (6 decks)

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