Free Printable Non mendelian Genetics

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Non mendelian Genetics

Total questions: 15

Worksheet time: 17mins

Name

Class

Date

In fruit flies, eye color is a sex-linked trait. Red (R) is dominant to white (r).

Which genotype shows a female fly with white eyes?

$X^{R^{ }}X^r$

$X^RX^R$

$X^rX^r$

Which genotype shows a male with white eyes?

R = Red, r= white

$X^rY$

$X^RY$

Which of the following genotypes belongs in the red box in the Punnett square?

X^BX^b

X^bX^b

X^bY

X^BY

Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?

X^HX^h

X^hX^h

X^HX^H

X^hY

What type of inheritance do two alleles have if their traits blend together?

Incomplete Dominance

Co-Dominance

Mendelian Inheritance

Homozygous Inheritance

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

Incomplete Dominance

Co dominance

Independent assortment

Recessive inheritance

A plant shows incomplete dominance in size. A tall plant (TT) is crossed with a medium plant (TS). What fraction of plants will also be tall?

100 %

75%

50%

25%

A woman with curly hair and a man with straight hair produced a child with wavy hair:

Incomplete dominance

Codominance

Complete dominance

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

Cross a red flower with a speckled flower. What is the phenotypic ratio?

50% red, 50% speckled

25% red, 25% blue

100% blue

10.

A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have red (RR) flowers?

25%

50%

100%

11.

this image is an example of

codominance

dominance

incomplete dominance

12.

What is the genotype that should be in the blank square?

yyRr

YYRR

yyrr

YrYr

13.

What type of inheritance pattern is shown here?

Codominance

Incomplete dominance

14.

Codominance occurs in calico cats, which allows for the Black and Tan colors to show. What percentage of the offspring represented in this P square will be calico (black and tan spotted)?

25%

50%

75%

100%

15.

A purple-flowered plant (PP) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have blue (PW) flowers?

25%

50%

100%

100 %

Non mendelian Genetics

Total questions: 15

Worksheet time: 17mins

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