Free Printable Determining Genotypes

1.

Flowers: P = Purple, p =white

Seeds: Y = Yellow, y = green

Purple flowers, Yellow seeds, heterozygous for both traits.

a)

PpYy

b)

PPYY

c)

ppyy

d)

PpYY

2.

Flowers: P = Purple, p =white

Seeds: Y = Yellow, y = green

Heterozygous Purple flowers, Homozygous Yellow seeds.

a)

PpYY

b)

PPYY

c)

ppYy

d)

PpYy

3.

Flowers: P = Purple, p =white

Seeds: Y = Yellow, y = green

Homozygous Purple flowers, Heterozygous Yellow seeds.

a)

PpYY

b)

PPYy

c)

ppYy

d)

PpYy

4.

Flowers: P = Purple, p =white

Seeds: Y = Yellow, y = green

White flowers, Green Seeds

a)

PpYY

b)

ppyy

c)

ppYy

d)

PpYy

5.

Flowers: P = Purple, p =white

Seeds: Y = Yellow, y = green

Heterozygous Purple flowers, Green Seeds

a)

PpYY

b)

ppyy

c)

ppYy

d)

Ppyy

6.

Flowers: P = Purple, p =white

Seeds: Y = Yellow, y = green

White flowers, Homozygous Yellow Seeds

a)

PpYY

b)

ppYY

c)

ppYy

d)

PpYy

7.

Flowers: P = Purple, p =white

Seeds: Y = Yellow, y = green

White flowers, Heterozygous Yellow Seeds

a)

PpYY

b)

ppyy

c)

ppYy

d)

PpYy

8.

Flowers: P = Purple, p =white

Seeds: Y = Yellow, y = green

Homozygous Purple flowers, Green Seeds

a)

PpYY

b)

ppyy

c)

ppYy

d)

PPyy

9.

Sex-linkage: Colour-blindness. Normal female

a)

$X^NX^N$

b)

$X^NX^n$

c)

$X^NY^-$

d)

$X^NY^N$

10.

Sex-linkage: Haemophilia. Normal female

a)

$X^NX^N$

b)

$X^NX^n$

c)

$X^NY^-$

d)

$X^NY^N$

11.

Sex-linkage: Haemophilia. Normal female

a)

$X^NX^N$

b)

$X^NX^n$

c)

$X^NY^-$

d)

$X^NY^N$

12.

Sex-linkage: Haemophilia. Carrier female

a)

$X^NX^N$

b)

$X^NX^n$

c)

$X^NY^-$

d)

$X^NY^N$

13.

Sex-linkage: Colour-blindness. Normal male

a)

$X^NX^N$

b)

$X^NX^n$

c)

$X^NY^-$

d)

$X^NY^N$

14.

Sex-linkage: Haemophilia. Normal male

a)

$X^NX^N$

b)

$X^NX^n$

c)

$X^NY^-$

d)

$X^NY^N$

15.

Sex-linkage: Colour-blindness. Colour-blind female

a)

$X^NX^N$

b)

$X^nX^n$

c)

$X^NY^-$

d)

$X^NY^N$

16.

Sex-linkage: Colour-blindness. Carrier female

a)

$X^NX^N$

b)

$X^NX^n$

c)

$X^NY^-$

d)

$X^NY^N$

17.

Sex-linkage: Haemophilia. Haemophilic male

a)

$X^NX^N$

b)

$X^nY^-$

c)

$X^NY^-$

d)

$X^NY^N$

18.

Sex-linkage: Colour-blindness. Colour-blind male

a)

$X^NX^N$

b)

$X^nY^-$

c)

$X^NY^-$

d)

$X^NY^N$

19.

R = Red, r = white. Incomplete dominance. What genotype is pink?

a)

Rr

b)

rr

c)

RR

d)

PP

20.

Flowers: P = Purple, p =white

Seeds: Y = Yellow, y = green

Purple flowers, Yellow seeds, homozygous for both traits.

a)

PpYy

b)

PPYY

c)

ppyy

d)

PpYY

Determining Genotypes

Total questions: 20

Worksheet time: 10mins

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