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Biology Unit 5 - Vocabulary

Total questions: 24

Worksheet time: 18mins

Name
Class
Date
1.

Define Genetics

a)

The scientific study of biology

b)

The scientific study of heredity

c)

The separation of alleles

d)

None of the above

2.

True or False - Segregation is the separation of alleles during gamete formation

a)

True

b)

False

3.

Phenotype is the physical characteristic of an...

a)

Fly

b)

Animal

c)

Organism

d)

Person

4.

What is a codominance?

a)

A situation in which the phenotypes produced by both alleles are completely expressed

b)

Physical characteristic

c)

Genetic code

d)

None of the above

5.

Define trait

a)

A gene that has more than two alleles

b)

Sex cell

c)

Genetic makeup of an organism

d)

Specific characteristic of an individual

6.

What is a gamete?

a)

Sex cell

b)

DNA

c)

Genetics

d)

Alleles

7.

Genotype is...

a)

A gene that has more than two alleles

b)

Physical characteristics of an organism

c)

Separation of alleles during gamete formation

d)

Genetic makeup of an organism

8.

True or False - Multiple Alleles are a gene that has more than two alleles

a)

False

b)

True

9.

Hybrid is offspring of crosses between parents with...

a)

The same traits

b)

The same genetic makeup

c)

Two alleles

d)

Different traits

10.

What is probability?

a)

Likelihood that a particular event will occur

b)

A diagram that can be used to predict the genotype and phenotype

c)

Traits controlled by two or more genes

d)

None of the above

11.

What is a punnett square?

a)

Traits controlled by two or more genes

b)

A diagram that can be used to predict the genotype and phenotype combinations of a genetic cross

c)

Likelihood that a particular event will occur

d)

A sequence of DNA

12.

True or False - Polygenic traits are traits controlled by two or more genes

a)

False

b)

True

13.

What is a gene?

a)

One of mendel's principles

b)

Two identical alleles for a particular gene

c)

A sequence of DNA that codes for a protein and thus determines a trait

d)

None of the above

14.

Homozygous is having two _________ alleles for a particular gene

a)

Different

b)

Identical

c)

Similar

d)

Unique

15.

Define Independent Assortment

a)

One of a number of different forms of genes

b)

Having two identical alleles for a particular gene

c)

Pair of chromosomes

d)

One of Mendel's principles that states that genes for different traits can segregate independently during the formation of gametes

16.

True or False - Allele is one of a number of different forms of a gene

a)

False

b)

True

17.

What is heterozygous?

a)

A term used to refer to a cell that contains two sets of homologous chromosomes

b)

Having two same alleles for particular gene

c)

The situation in which one allele is not completely dominant over another allele

d)

Having two different alleles for particular gene

18.

Incomplete dominance is the situation in which one allele is not completely ________ over another allele

a)

Dominant

b)

Recessive

c)

Organism

d)

Chromosomes

19.

True or False - Diploid is a term used to refer to a cell that contains one set of homologous chromosomes

a)

True

b)

False

20.

What is a zygote?

a)

A fertilized egg

b)

An egg

c)

Produced organism

d)

Two sets of homologous chromosomes

21.

What is offspring?

a)

Fertilized egg

b)

Produced organism/s

c)

One set of homologous chromosomes

d)

None of the above

22.

Define Homologous Chromosomes

a)

Pair (one from each parent) of chromosomes that have the same size, brand sequence, shape, and gene BUT may have different alleles

b)

One of a number of different forms of a gene

c)

Having two different alleles for a particular gene

d)

None of the above

23.

Blood type is a way to describe the type of _____, or proteins on the surface of red blood cells (RBCs).

a)

Diploid cells

b)

Organism

c)

Antigens

d)

Chromosome

24.

What is Meiosis?

a)

The situation in which one allele is not completely dominant over another allele

b)

Process in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell

c)

A term used to refer to a cell that contains two sets of homologous chromosomes

d)

Pair (one from each parent) of chromosomes that have the same size, band sequence, shape, and gene but may have different alleles