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WorksheetsGenetics / Pedigree Chart
Total questions: 45
Worksheet time: 1hrs 4mins
Dominant Homozygous is represented by
RR
Rr
The passing of traits from parent to offspring
Heredity
molecule
Hybrid
Who was the father of genetics
Albert Einstein
Issac Newton
Gregor Mendel
which is heterozygous ?
Tt
TT
Which is homozygous ?
Zz
SS
the genetic makeup of an organism
heterozygous
punnet square
genotype
One of the alternative forms of a gene that governs a characteristic, such as ear-lobes
allele
heterozygous
homozygous
an organism's appearance or other detectable characteristic
genotype
phenotype
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
0 in 4
1 in 4
2 in 4
Which of the following genotypes is heterozygous?
Tt
TT
tt
A recessive allele is represented by a ______ letter.
lower-case
capital
A dominant allele is represented by a ______ letter.
lower-case
capital
Which of the following genotypes is homozygous recessive?
RR
Rr
rr
Tt is-
homozygous dominant
homozygous recessive
heterozygous
Gregor Mendel investigated ______ characteristics of pea plants
46
7
14
The physical appearance or the way a gene looks is known as it's....
genotype
phenotype
The mathematical chance that something will happen is known as...
absolute
luck
probability
The different forms of genes are known as
environment
probability
alleles
Two of the same genes for a trait (sometimes called purebred). BB or bb
homozygous
hetrozygous
Dominant alleles are represented by a:
lowercase letter
capital letter
Heredity is the passing of traits from _____________________ to _____________________
predators to prey
parents to offspring
Which of the following genotypes is heterozygous?
Bb
BB
bb
What you see, or the physical appearance.
Genotype
Phenotype
Homozygous
How many alleles (letters) does a child get from each parent for each trait?
1
2
3
Dominant or recessive?
bb
Dominant
Recessive
Dominant or recessive?
Bb
Dominant
recessive
What are the parents' genotypes?
Homozygous for brown eyes
Heterozygous for brown eyes
What did Gregor Mendel use to discover the principles that rule heredity?
Pea Plant
Pear trees
Gregor Mendel was born in what country
Italy
Austria
How many traits did Mendel study in his pea plants?
1
3
7
An organism's appearance is its...
genotype.
phenotype.
In a pedigree chart, a male is represented by a
circle
square
In a pedigree chart, a female is represented by a
circle
square
A heterozygous genotype is represented by a(n) ____________ circle or square.
fully shaded
half-shaded
If the male or female does not have the trait listed in the pedigree chart, then the circle or square is _________________.
empty
fully shaded
half-shaded
How many daughters did the mother and father from the first generation have?
2
4
5
