Worksheetsgenetics
Total questions: 16
Worksheet time: 15mins
what is the role of DNA in heredity?
(a)
what are three key roles of DNA?
(a)
What are the phenotype percentages of the offspring?
(A-Brown fur color; a-white fur color)
50 % Brown fur and 50% White fur
25 % Brown fur and 75% White fur
75 % Brown fur and 25% White fur
0% Brown fur and 100% White fur
AA x aa
What plant did Mendel study?
pea plant
spinach
carrots
sunflowers
(Click the picture to see it without the text)
all tall
TT = 25% Tt= 50% tt=25%
TT= 75% tt = 25%
All Short
Red (R) is dominant over white (r). How can a flower be white?
It can have RR and be white.
It has to have rr.
It has to have rR
There is no way it can be white until the third generation.
Term for an organism that display two dominant phenotype at the same time
Multiple alleles
incomplete dominance
codominance
linked genes
Which of the following alleles is homozygous (purebred) recessive?
TT
Tt
tt
ts
A point mutation that does not change the amino acid sequence is known as a(n) ____________ mutation.
Frameshift
Nondisjunction
Inversion
Silent
