Genetics - Simple Punnet Squares

Shannan Muskopf
Quiz by Shannan Muskopf, updated more than 1 year ago
Shannan Muskopf
Created by Shannan Muskopf about 3 years ago
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1

Description

Practice doing basic genetic crosses that involve only one trait.

Resource summary

Question 1

Question
In pea plants, tall (T) is dominant to short (t). A plant with genotype Tt is crossed with a plant with type tt. What percentage of their offspring will be tall?
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Question 2

Question
Two heterozyous pea pants (Tt) are crossed. What percentage of their offspring will be short?
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Question 3

Question
A true-breeding pea plant (TT) is crossed with one that is short (tt). What percentage of their offspring will be tall?
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Question 4

Question
In fruit flies, vestigial wings are recessive. Flies with GG or Gg will have normal sized wings. If two vestigial wing flies are crossed, what percentage of their offspring will also have vestigial wings.
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Question 5

Question
If a vestigial winged fly (gg) is crossed with one that is heterozygous, what percentage of their offspring will have normal wings?
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