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Unit 5 Meiosis & Genetics Part III- nonMendelian Genetics

Total questions: 39

Worksheet time: 33mins

Name
Class
Date
1.

The heterozygous phenotype i an intermediate phenotype between two homozygous phenotypes.

a)

codominance

b)

incomplete dominance

c)

multiple allele

d)

sex linked

2.

Some genes may have more than 2 alternative forms of a gene.

a)

incomplete dominance

b)

sex linked

c)

multiple alleles

d)

codominance

3.

Both alleles are expressed.

a)

codominance

b)

incomplete dominance

c)

multiple alleles

d)

polygenic inheritance

4.

Traits are located on the sex chromosomes, usually the X chromosome.

a)

multiple alleles

b)

incomplete dominance

c)

polygenic inheritance

d)

sex-linked traits

5.

One characteristic is determined by 2 or more genes.

a)

incomplete dominance

b)

multiple alleles

c)

polygenic inheritance

d)

codominance

6.

Traits are either dominant or recessive.

a)

multiple alleles

b)

simple Mendelian genetics

c)

sex-linked traits

d)

polygenic inheritance

7.

Inheritance that does not follow Mendel's laws.

a)

complex inheritance

b)

simple Mendelian inheritance

c)

dominant inheritance

d)

none of these are correct

8.

Chart that shows how a trait is passed through families.

a)

Punnett square

b)

family tree

c)

offspring diagram

d)

pedigree

9.

In a pedigree, circles represent:

a)

females

b)

males

c)

offspring

d)

marriage

10.

In a pedigree, horizontal lines represent:

a)

females

b)

males

c)

offspring

d)

marriage

11.

In this pedigree, individual 6 is a ____ who _____ the trait.

a)

girl, does not have

b)

girl, has

c)

boy, does not have

d)

boy, has

12.

Individuals 3 and 4 are:

a)

siblings

b)

married

c)

cousins

d)

you cannot tell from this pedigree

13.

This flower shows ________________ inheritance patterns

a)

incomplete dominance

b)

codominance

c)

sex-linked

d)

polygenic

14.

In cows, fur color is co-dominant. If B is brown and W is white, what is a BW individual?

a)

white

b)

brown

c)

brown and white spotted

d)

light brown / tan

15.

Colorblindness is found on the X chromosome. It is:

a)

incomplete dominance

b)

sex-linked

c)

codominance

d)

none of the above

16.

Fur color in mice is incompletely dominant. If B is white and T is black, how many offspring in this Punnett Square are grey?

a)

4:4

b)

3:4

c)

2:4

d)

1:4

17.

Codominant and incompletely dominant traits have three phenotypes instead of two. How many alleles (versions of the gene) are involved?

a)

1

b)

2

c)

3

d)

4

18.

Red is incompletely dominant to white in snapdragons. Which cross would result in 100% pink flowers?

a)

RR x rr

b)

rr x rr

c)

Rr x Rr

d)

RR x RR

19.

In humans, curly hair is dominant to straight hair, and wavy hair is an intermediate texture. Which explanation most likely accounts for wavy hair?

a)

a mutation occurred, producing wavy hair

b)

a different set of genes resulted in wavy hair

c)

inheritance occurred through incomplete dominance

d)

inheritance occurred as a result of a gene from only one parent

20.

In a certain breed of cattle, both red and white hairs show up together. This is an example of which type of inheritance pattern?

a)

incomplete dominance

b)

codominance

c)

multiple alleles

d)

polygenic inheritance

21.

What are the genotypes for type A blood?

a)

IAIA

b)

IAIB

c)

IAi

d)

IBIB

e)

ii

22.

Which could NOT result from a cross between IAIB and IAi?

a)

Type A Blood

b)

Type B Blood

c)

Type AB Blood

d)

Type O Blood

23.
This type of inheritance pattern shows BOTH traits in possible offspring:
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
Indomitable 
24.
When two or more alleles for a trait exist in a population.  Ex: Different hair colors or blood types
a)
SHAZAM!
b)
Multiple Genes
c)
Multiple Alleles
d)
Polysaccharide
25.
In flowers, 2 pink (RW) flowers are crossed. What are the genotypes and phenotypes of their offspring?
a)
100% pink (RW)
b)
50% pink (RW); 25% white (WW); 25% red (RR)
c)
75% pink (RW); 25% white (WW)
d)
100% red (RR)
26.
A father that has blood type O is crossed with a blood type O mother. What will be the genotype of the offspring?
a)
50% AB; 50% OO
b)
25% AB,  25% AO, 25% BO, 25% OO
c)
25% AA, 25% BB, 25% AB, 25% OO
d)
100% OO
27.
True or False.  Pictured above is a karyotype of a male human being.
a)
True
b)
False
28.
True or False.  The mission Human Genome Project is to identify the DNA code of every gene in each of our chromosomes.
a)
True
b)
False
29.

This genetic disorder is caused by non-disjunction of the 21st chromosome. It is one of the most common chromosomal disorders.

a)

Turner syndrome

b)

Hunington Disease

c)

Down syndrome

d)

Myopia

30.

This genetic disorder causes red blood cells to exhibit an irregular shape. Symptoms of this disorder can include joint pain, poor circulation, and a shorter lifespan. It is highly prevalent in African and African American populations.

a)

Anemia

b)

Albinism

c)

Turner syndrome

d)

Sickle-cell Anemia

31.

Colorblindness is a recessive X-linked disorder.

Which genotype represents a male with normal vision?

a)

XN YN

b)

Xn Yn

c)

XN Y

d)

Xn Y

32.
How many kids did the mother and father from the first generation have?
a)

2

b)

4

c)

5

d)

6

33.
What is the genotype of the mother?
a)
BB
b)
bb
c)
Bb
d)
BB or Bb
34.

Huntington's Disease is an autosomal dominant disorder. What would the genotype of an affected person be?

a)

Hh

b)

hh

c)

HH

d)

none of these

35.

What is 1 examples of an X-linked genetic disorder?

a)

Huntington's Disease

b)

Down's Syndrome

c)

Colorblindness

d)

Diabetes

36.

Spectrum disorder, social and learning problems.

a)

Schizophrenia

b)

Tay-Sachs Disease

c)

Autism

d)

Alzheimer's

37.

Trisomy 21 เกิดจากสาเหตุใดบ่อยที่สุด

a)

Meiosis nondisjunction

b)

Mitosis nondisjunction

c)

chromosome deletion

d)

chromosome translocation

38.

Hereditary diseases are caused mainly by which reason?

a)

bacterial infections

b)

viral infections

c)

mutations in specific genes

d)

none of the above

39.

The ratio of " Test Cross" of Dihybrid cross -

a)

1:1

b)

1:2:1

c)

9:3:3:1

d)

1:1:1:1

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