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S2 VOCAB FINAL - 2023

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which of the following is responsible for an organism or species becoming better suited to its environment?

a)

.Dichotomous Key

b)

Phylogeny

c)

Adaptation

2.

The Golden Retriever was homozygous, the owners knew that this meant:

a)

having two identical alleles of a particular gene or genes.

b)

having two different alleles of a particular gene or genes.

3.

Heterozygous dog breeds are less valuable than Homozygous breeds. Why is this?

a)

Homozygous breeds are less pure than Homozygous breeds.

b)

Hetero breeds are less pure than Homozygous breeds.

c)

Both breeds are of equal value.

4.

Arise by mutation and are found at the same place on a chromosome.

a)

Allele

b)

Genotype

c)

Phenotype

5.

This phenotype can be observed in individuals:

a)

BB

b)

AA

c)

eye color

6.

  Gregor Mendel is known as the father of _________________ :

a)

Genetics

b)

 Allele

c)

Bacteria

7.

Chromosomes carry __________________ in the form of genes.

a)

genetic information

b)

Bacteria

c)

Amazon Packages

8.

This relies on the process of natural selection:

a)

Alleles

b)

Evolution

c)

 Overproduction

9.

Due to natural selection, organisms adapt to their environment and have a 

a)

Higher chance of survival

b)

 Lower chance of survival 

10.

A bug with three eyes instead of two is an example of:

a)

Competition

b)

 Limited Resources

c)

Mutation

11.

This type of reproduction does NOT allow for ANY genetic variations:

a)

Mutation

b)

Sexual

c)

Cloning

12.

Punnett Squares are used to determine the probability of traits being expressed. ___________ are placed on the sides of each square.

a)

Genotypes

b)

 Cloning

c)

RNA

13.

Base pairs of this nucleic acid are: Adenine, Uracil, Cytosine, and Guanine:

a)

RNA

b)

Gene

c)

Homozygous

14.

Base pairs of this nucleic acid are: Adenine, Thymine, Cytosine, and Guanine:

a)

DNA

b)

Reproduction

c)

Dominant

15.
a)

Protein

b)

Allele

c)

Meiosis

16.

If one parent has blue eyes, and another parent has brown eyes, the offspring will most likely have brown eyes because brown eyes are considered:

a)

Meiosis

b)

Dominant

c)

Recessive

17.

Blonde hair is considered to be ______________ compared to brown hair. Both parents must carry the __________ gene for red hair in order to have offspring with red hair.

a)

Recessive

b)

Dominant

c)

Natural Selection

18.

Sexual reproduction occurs when an egg and sperm cell meet. This results in genetically:

a)

Identical Offspring

b)

Different Offspring

19.

Meiosis results in 4 gamete cells, these are all genetically different because of ______________________ of chromosomes during prophase I.

a)

Nucleus forming

b)

 Centromeres

c)

Crossing Over

20.

Charles Darwin is best known for his work known as:

a)

Theory of Evolution

b)

DNA

c)

RNA