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Reproduction & Genetics Review

Total questions: 18

Worksheet time: 5hrs 30mins

Name
Class
Date
1.

The two major kinds of reproduction are ____________ and ____________.

a)

Asexual & sexual

b)

Division & multiplication

c)

Fragmentation & budding

d)

Linear & non-linear

2.

____________ reproduction involves one parent, & produces offspring that are genetically identical to the parent & to each other.

a)

Asexual

b)

Sexual

c)

Division

d)

Multiplication

3.

Reproduction that requires two parents and has offspring that are genetically different from the parents & from each other is called:

a)

Sexual reproduction

b)

Asexual reproduction

c)

Multiplication

d)

Division

4.

A ________ is a chunk of DNA that determines a trait, and which offspring gain from their parent(s).

a)

Gene

b)

Trait

c)

Nucleus

d)

Punnett square

5.

An allele is:

a)

A particular version of a gene

b)

A really yummy flavor of ice cream (Mr. Gill likes sprinkles on his)

c)

The part of the cell where DNA is kept

d)

Always produced in asexual reproduction

6.

An organism's ____________ is its physical appearance.

a)

Phenotype

b)

Genotype

c)

Allele

d)

Punnett square

7.

An organism's allele combination is its:

a)

Genotype

b)

Phenotype

c)

Inheritance

d)

Sequence

8.

If an organism has two of the same kind of allele for a trait, it is considered ____________.

a)

Homozygous

b)

Heterozygous

c)

Monolithic

d)

Dichotomous

9.

An organism that has two different alleles of a gene is referred to as ____________.

a)

Heterozygous

b)

Homozygous

c)

Dichotomous

d)

Monochrome

10.

If B = brown hair, and b = red hair, then an organism with the genotype Bb would have a phenotype of:

a)

Brown hair

b)

Red hair

c)

A mixture of brown and red hair

11.

A trait that will always show up, as long as there is at least one of its alleles present, is called:

a)

Dominant

b)

Recessive

c)

Powerful

d)

Weak

12.

A trait that will only show up if its allele is the only kind of allele that's present is called:

a)

Dominant

b)

Recessive

c)

Powerful

d)

Weak

13.

This scientist discovered dominant & recessive traits in the 1850s while working in his garden with pea plants

a)

Gregor Mendel

b)

James Watson

c)

Francis Crick

d)

Louis Leakey

14.

Of the following organisms, which ones reproduce asexually? Select all that apply!

a)

Starfish

b)

Bacteria

c)

Cats

d)

Dogs

15.

Of the following organisms, which ones reproduce sexually? Select all that apply!

a)

Amoeba

b)

Bacteria

c)

Horses

d)

Fish

16.

If an organism shows a blending of two traits (Example: Red flowers & white flowers combine to make pink flowers), this is referred to as:

a)

Incomplete dominance

b)

Codominance

c)

Mixed-up dominance

d)

Partial recessiveness

17.

If an organism shows two versions of a trait at the same time (Example: A red flower blossom with white splotches on the petals), this is called

a)

Incomplete dominance

b)

Codominance

c)

Mixed-up dominance

d)

Partial recessiveness

18.

The __________ is the part of the cell that contains DNA.

a)

Nucleus

b)

Vacuole

c)

Golgi apparatus

d)

Endoplasmic reticulum