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WorksheetsGenetics Practice
Total questions: 25
Worksheet time: 8mins
Recessive traits are
always seen
never seen
sometimes seen
_______ is the key to differences between species.
Genetics
Heredity
Punnett squares
Dominant traits are
always seen
never seen
sometimes seen
Father of modern genetics
Mendel
Mendelson
Madison
Hybrids contain
different characteristics
the same characteristics
no characteristics
What means the same as purebred?
hybrid
heterozygous
homozygous
Heterozygous pairs
PP, tt, Ee
ss, pp, ff
Bb, Rr, Mm
Homozygous pairs
GG, HH, NN
Dd, Ff, Tt
Gg, FF, Tt
Physical characteristics
phenotype
genetype
nanotype
Genetic make up
phenotype
genotype
Punnett squares are used to determine
physical characteristics
probably outcomes
genetic characteristics
What is the phenotype of this Punnett square?
1 BB, 2 Bb, 1bb
3 B, 1 b
both answers are correct
How many autosomes do you have?
2
23
44
46
What is the genotype?
2 Gg, 2 gg
2 green, 2 yellow
2 G, 2 g
What type plant was used by Mendel?
roses
peanuts
pea
pumpkin
Which trait is dominant?
T
t
no way to tell
Which trait is recessive?
F
f
no way to tell
Law of Dominance
traits are sorted randomly into Punnett boxes
traits are separated before being sorted
dominate trait will always be seen
Law of Segregation
traits are sorted randomly into Punnett boxes
traits are separated before being sorted
dominate trait will always be seen
Law of Independent Assortment
traits are sorted randomly into Punnett boxes
traits are separated before being sorted
dominate trait will always be seen
Humans have ______ chromosomes.
2
23
44
46
A permanent alteration or change in the DNA sequence is called a
mutant
mutation
misleading sequence
DNA altercation
XX
boy
girl
XY
boy
girl
Which sex chromosome never carries a trait?
X
Y
