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Meiosis, Pedigrees, Pun. Squares

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which of the following represents Pure recessive?

a)

DD

b)

Dd

c)

dd

d)

D_

2.

Tt is an example of?

a)

Homozygous Dominant

b)

Heterozygous

c)

Pure Dominant

d)

Homozygous recessive

3.

Is this a dominant or recessive pedigree?

a)

dominant

b)

recessive

c)

Can't tell

d)

confused

4.

Individuals that are shaded have albinism. What would be the genotype of individual II-5?

a)

AA

b)

aa

c)

A_

d)

Aa

5.

A division that creates gametes?

a)

Meiosis

b)

Mitosis

c)

Cell Cycle

d)

Symbiosis

6.

An organism with 44 chromosomes to start goes through Mitosis and creates 2 new daughter cells. How many chromosomes would be in each new cell?

a)

44

b)

88

c)

22

d)

11

7.

What creates genetic diversity and is the reason you are different than your siblings?

a)

cytokinesis

b)

crossing over in meiosis

c)

anaphase during mitosis

d)

division of cells for growth

8.

Meiosis creates?

a)

Haploid cells

b)

Diploid cells

c)

Polyploidy cells

d)

Triploid cells

9.

Meiosis has?

a)

1 division

b)

2 divisions

c)

3 divisions

d)

4 divisions

10.

Your genotype is made from?

a)

2 genes from dad

b)

2 genes from mom

c)

random genes, could be 2 from one parent or one from both

d)

random genes, but one from mom and one from dad

11.

If you cross a Homozygous Dominant Individual with a Homozygous Recessive individual for albinism. The results would be?

a)

All albino children

b)

Half albino children & half normal pigment

c)

3/4 normal children with 1/4 albino

d)

All normal pigmented children

12.

D = dark fur and d = light fur. 2 dogs were crossed and they had a litter of 20 puppies. 14 of the puppies were dark fur and 6 were light fur. What were the parents genotypes?

a)

DD x DD

b)

DD x Dd

c)

Dd x Dd

d)

DD x dd

13.

This is an example of?

a)

a karyotype

b)

a punnett square

c)

a pedigree

d)

a box chart

14.

B = Big nose and b = small nose. Which cross will produce offspring with 50% big noses and 50% small noses?

a)

BB x bb

b)

BB x Bb

c)

Bb x Bb

d)

bb x Bb

15.

In flies, short wings is recessive and long wings are dominant. Can to long wing flies produce a short winged fly?

a)

Yes when you cross one pure dominant long wing with a heterozygous long

b)

No not possible with any cross.

c)

Yes when you cross 2 Pure dominant flies

d)

Yes when you cross 2 heterozygous flies

16.

L = long wings & l = short. Which cross will produce all long wings?

a)

ll x ll

b)

ll x Ll

c)

Ll x Ll

d)

ll x LL

17.

If Johnny marries Jenny and they have 5 kids; 1 of the 5 have albinism. Neither of the kids parents have albinism. If Johnny and Jenny decided to have another child, what is the percent chance that the child is born albino?

a)

0%

b)

25%

c)

50%

d)

75%

18.

How many chromosomes would you find in an egg cell from a human?

a)

11

b)

22

c)

23

d)

46

19.

What stage of Meiosis does crossing over occur?

a)

anaphase

b)

prophase

c)

metaphase

d)

telophase

20.

Cross 2 people - 1 that is pure recessive and the other has the dominant phenotype but a mother that has the recessive phenotype. What %'s of offspring would you get?

a)

50% dominant 50% recessive

b)

100% dominant

c)

75% dominant

25% recessive

d)

100% recessive