Our lesson is on punnett squares. You have learned about dominant and recessive traits and modes of inheritance.
Questions and Answers
1.
A heterozygous tall pea plant is crossed with a short plant. Tall (T) is dominant to short (t) plants. The probability that the offspring plant will be tall is:
A. 
75%
B. 
25%
C. 
50%
D. 
100%
2.
Brown (B) is dominant over white (b) in foxes. A homozygous brown fox is crossed with a white fox. The probability that the fox offspring will be white?
A. 
0
B. 
25
C. 
50
D. 
100
3.
A cross of a white chick (WW) with a black chick (BB) produces all speckled offspring (WB) This type of inhetitance is known as:
A. 
Incomplete dominance
B. 
Polygenic inheritance
C. 
Codominance
D. 
Multiple alleles
4.
What plants have Homozygous genotypes?
A. 
TT only
B. 
Tt
C. 
Both TT and tt
D. 
Tt only
5.
If you cross a red plant with a white plant and the offspring is pink, what is that called?
A. 
Incompete dominance
B. 
Polygenic inheritance
C. 
Codominance
D. 
Multiple alleles
6.
In cats, yellow fur is dominant over white fur. A heterozygous cat is mated with a white cat. The genotypes of offspring that could occur are:
A. 
YY and Yy
B. 
Yy
C. 
Yy and yy
D. 
YY, Yy, and yy
7.
Which of the following means having more than 2 versions of alleles for genes?
A. 
Polygenic inheritence
B. 
Multiple alleles
C. 
Incomplete dominance
D. 
Codominance
8.
Organisms that have two identical alleles for a particular trait are said to be
A. 
Homozygous
B. 
Dominant
C. 
Hybrid
D. 
Heterozygous
9.
Blood is determined by individual combinations of the following gene varieties.IA,IB,and i . When IA and IB exist together, they make blood type AB (which has 2 dominant genes). This shows us that blood type is an example of.
A. 
Polygenic Traits
B. 
Multiple Alleles
C. 
Incomplete Dominance
D. 
Co-Dominance
10.
This pedigree shows the inheritance of a trait thorugh generations. The trait described here is known as:
This quiz is about Punnett squares and DNA genetic genes. How DNA works and an easier way to determine the percentage of genes. This quiz has eight essential questions to test your knowledge on the same. So, let's get...
Questions: 8 | Attempts: 14390 | Last updated: Mar 22, 2022
Sample Question
A heterozygous tall(Tt) plant is crossed at with a short plant (tt). The probability that offspring plants will be tall is:
In this biological quiz, we’ll be looking at the terms heredity – the passing on of physical or mental characteristics from one generation to another – as well as punnet squares and pedigree charts. Can you get...
Questions: 23 | Attempts: 1919 | Last updated: Mar 22, 2022
Named after Reginald C. Punnett, the square has been used to predict genotypes one gets from a breeding experiment. A genotype is the genetic makeup of the organism, and creating a Punnett square requires knowledge of the genetic...
Questions: 12 | Attempts: 1234 | Last updated: Mar 21, 2022
Sample Question
A heterozygous tall pea plant is crossed with a short plant. Tall (T)is dominant to short (t) plants. The probability that the offspring plant will be tall is: