WorksheetsHeredity
Total questions: 22
Worksheet time: 31mins
What is the passing of traits from parents to offspring?
Heredity
Genetics
Traits
Mendelian
Blonde hair is a....
Trait
Genotype
Gene
What is the study of heredity?
Genetics
Mendel
Pea plants
Genes
Genes are inherited in pairs, one from each parent.
True
False
Alleles are different forms of a gene.
True
False
A dominant trait: CHOOSE 2
will block a recessive trait
is shown with a capital letter
always occurs more often
is better
Which of these is heterozygous?
Hh
HH
hh
None of these
HH is
homozygous dominant
homozygous recessive
heterozygous
neither dominant nor recessive
hh is
homozygous recessive
homozygous dominant
heterozygous
neither dominant nor recessive
If long hair (H) is dominant to short hair (h), what is the phenotype of Hh?
Long hair
Dominant
Medium hair
Recessive
Aa is a:
genotype
phenotype
homozygous
allele
How a trait appears is a
phenotype
genotype
gene
dominant
The two alleles that join to determine a phenotype are
a genotype
dominant
recessive
heterozygous
Hybrid is another way of saying
heterozygous
purebred
dominant
recessive
Homozygous is another way of saying
Purebred
Hybrid
Dominant
Recessive
If you know that long hair (H) is dominant to short hair (h) and are shown this picture, can you say if this guinea pig is Hh or HH?
No, Hh and HH have the same phenotype
No, this guinea pig would be hh
Yes, Hh and HH will look different
What is the probability of Aa?
50%
100%
25%
0%
If brown (B) is dominant to blue (b), what are the possible phenotype(s) of this cross?
Brown and blue
Bb and bb
Brown
Bb
These parents are each
Homozygous
Heterozygous
The same
Heterozygous
Salamanders have a co-dominant gene for color. XX is black and BB is blue. Their offspring will be:
Colored with both black and blue showing
A blended color of black and blue (like a very dark blue)
All black
All blue
Butterflies have a gene for wing color that has incomplete dominance. BB is blue and YY is yellow. Their offspring will have what genotype?
BY
By
Green
Blue
Butterflies have a gene for wing color that has incomplete dominance. BB is blue and YY is yellow. Their offspring will have what phenotype?
BY
By
Green
Blue
