The Punnet Square Flashcards

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

genetic variation

A

a difference in inherited characteristics between parent and offspring

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

inherited trait

A

a characteristic that is passed from parent to offspring

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

prokaryotic organism

A

a simple one-celled organism, that lacks a nucleus and other membrane-bound organelles; typical of bacteria cells.

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

eukaryotic organism

A

a cell with a nucleus and membrane-bound organelles; typical of plant and animal cells.

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

What’s the percentage of alleles you receive from your mom and dad?

A

Mom - 50%

Dad - 50%

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

Because each ____ is present in two copies, each ____ is present in two copies

A

Chromosome, gene

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

alleles

A

variations of a specific gene

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

recessive alleles

A

alleles that are masked

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

Which letter size represents dominant and recessive alleles?

A

Dominant - Upper Case Letter

Recessive - Lower Case Letter

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

phenotype

A

trait that is physically shown; final outward appearance of the trait

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

How many alleles, or genes, does an offspring receive in total?

A

2

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

genotype

A

a way to represent both alleles a person has inherited for a certain trait

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

The dominant allele, B, represents brown hair. The revcessive allele, b, represents blond hair. What hair color would the offspring have if it was BB, Bb, or bb?

A

BB - Brown hair
Bb - Brown hair
bb - Blond hair

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

What are Punnet squares used for?

A

They are used to demonstrate all the possible variations of a certain trait.

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

A capital letter is used to represent the ____ allele in a gene pair.

A

dominant

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

A lowercase letter is used to represent the ____ allele in a gene pair

A

recessive

17
Q

Each parent contributes ____ chromosomes for each cell

A

23

18
Q

The trait that is physically shown is known as the ____

A

phenotype