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Mendelian Genetics Review

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.
Study of how traits are passed from parents to offspring
a)
genetics
b)
genes
c)
DNA
d)
pedigree
2.
Combination of two alleles
a)
phenotype
b)
genes
c)
genotype
d)
alleles
3.
Physical expression of alleles
a)
alleles
b)
phenotype
c)
genes
d)
genotype
4.
Different versions of a gene
a)
DNA
b)
traits
c)
genes
d)
alleles
5.
Determined by genes on the chromosomes.
a)
traits
b)
genetics
c)
DNA
d)
genotype
6.
Segment of DNA that determines a trait.
a)
DNA
b)
gene
c)
chromsome
d)
nucleotides
7.

Describe the genotype: Aa

(a)  

8.

Describe the genotype: MM

(a)  

9.

Describe the genotype: ee

(a)  

10.
Human skin cells are examples of __.
a)
meiosis
b)
diploid cells
c)
haploid cells
d)
genetics
11.
To make gametes or sex cells
a)
mitosis
b)
reproduction
c)
meiosis
d)
cell division
12.

Human sex cells have (a)   chromosomes

13.
Homologous chromosomes have the same genes and same size.
a)
True
b)
False
14.
Orange coat is dominant to white. What is the phenotype of a heterozygous individual?
a)
orange
b)
white
c)
orange and white at the same time
d)
light orange
15.
Having dimples is dominant to no dimples. A homozygous recessive person would ___.
a)
have dimples
b)
have partial dimples
c)
have no dimples
d)
have dimples some times
16.

If I describe an individual with brown hair, I am describing their..

(a)  

17.
What is the genotypic ratio of a Aa x Aa?
a)
4 Aa
b)
2 AA : 2 Aa
c)
2 Aa : 2 aa
d)
1 AA : 2 Aa : 1 aa
18.
Orange coat is dominant to white. What is the phenotypic ratio of a CC x cc?
a)
4 Cc
b)
4 orange
c)
4 white
d)
2 CC : 2 cc
19.

An XX person and an XY person have children. What is the probability of having an XY child?

(a)  

20.

CHALLENGE! In rabbits, black coat (B) is dominant to brown (b). Straight hair (H) is dominant to curly (h). A homozygous dominant rabbit is crossed with a homozyous recessive rabbit. What is the genotype and phenotype of their offspring?

a)

50% BBHH (straight black coat)

50% bbhh (curly brown coat)

b)

25% BBHH (straight black coat)

25% BBhh (curly black coat)

25% bbHH (straight brown coat)

25% bbhh (curly brown coat)

c)

100% BbHh (straight black coat)

d)

50% BbHh (straight black coat)

50% bbHh (straight brown coat)