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Genetics: Vocab Intro

Total questions: 24

Worksheet time: 48mins

Name
Class
Date
1.

Which of the following BEST identifies the structure?

a)

Protein

b)

Chromosome

c)

Gene

d)

Karyotype

2.

SELECT ALL THAT APPLY: Which of the following are true for genes? 

a)

They control your traits

b)

They're used to make proteins

c)

They're small sections of DNA

d)

They're bundles of DNA

3.

Which of the following best describes a trait?

a)

What you look like

b)

A type of gene

c)

They're found in your DNA

d)

A type of chromosome

4.

Which of the following best describes an allele?

a)

A version of a trait

b)

One of two types of genes

c)

A section of DNA

d)

What you physically look like

5.

Which of the following is an allele, and not a trait?

a)

Skin color

b)

Dark skin

c)

Hair color

d)

Height

6.

SELECT ALL THAT APPLY: Which of the following are true for dominant alleles?

a)

They're usually seen

b)

Capital letters

c)

They're more rare

d)

Lowercase letters

7.

SELECT ALL THAT APPLY: Which of the following are true for recessive alleles?

a)

They're usually seen

b)

Capital letters

c)

They're more rare

d)

Lowercase letters

8.

Which of the following is a dominant allele?

a)

B = brown eyes

b)

b = blue eyes

9.

Which of the following is a recessive allele?

a)

B = brown eyes

b)

b = blue eyes

10.

Which of the following describes a genotype?

a)

What's in your genes

b)

What you physically look like

11.

Which of the following describes a phenotype?

a)

What's in your genes

b)

What you physically look like

12.

WHY are there 2 alleles for 1 trait?

a)

Because you inherit 1 from each parent

b)

Because when the DNA replicates, it makes a second copy of the allele

c)

Because when cells undergo mitosis, they make 2 alleles as they make 2 alleles

d)

Because you have 2 phenotypes for every trait

13.

Select the homozygous dominant genotype:

a)

BB

b)

Bb

c)

bb

14.

Select the homozygous recessive genotype:

a)

BB

b)

Bb

c)

bb

15.

Select the heterozygous genotype:

a)

BB

b)

Bb

c)

bb

16.

Brown eyes (B) are dominant to blue eyes (b). What is your phenotype if your genotype for eye color is BB?

a)

Brown eyes

b)

Blue eyes

17.

Brown eyes (B) are dominant to blue eyes (b). What is your phenotype if your genotype for eye color is Bb?

a)

Brown eyes

b)

Blue eyes

18.

Brown eyes (B) are dominant to blue eyes (b). What is your phenotype if your genotype for eye color is bb?

a)

Brown eyes

b)

Blue eyes

19.

Brown eyes (B) are dominant to blue eyes (b). TyQusia's genotype for brown eyes is BB, so she has brown eyes. Which of the following correctly matches the genotype & phenotype?

a)

Genotype: brown eyes, Phenotype: BB

b)

Genotype: BB, Phenotype: brown eyes

20.

How many chromosomes do you have in EACH cell?

a)

2

b)

10

c)

23

d)

46

21.

Which of the following correctly identifies the structures?

a)

Homologous Chromosomes

b)

Duplicated Genes

c)

Replicated DNA

d)

Identical Cells

22.

What is the sex of someone who inherits XX sex chromosomes?

a)

Female

b)

Male

23.

What is the sex of someone who inherits XY sex chromosomes?

a)

Female

b)

Male

24.

Which term best describes the image?

a)

Homologous chromosome

b)

Karyotype

c)

Chromosomal display

d)

DNA analysis