WorksheetsUnit 4 Day 1 Review
Total questions: 25
Worksheet time: 15mins
The scientific study of heredity is called fertilization
True
False
The passing of physical characteristics, or traits, from parent to offspring.
Genetics
Dominant allele
Heredity
Recessive allele
The scientific study of heredity.
Genetics
Heredity
Probability
Pedigree
An organism that is the offspring of many generations that show the same form of a trait.
Heterozygous
Dominant allele
Purebred
Genotype
The different forms of a gene.
Genes
Allele
Phenotype
Pedigree
A trait that always shows up when the allele is present.
Genotype
Phenotype
allele
Dominant allele
A trait that is always hidden when the dominant allele is present.
Phenotype
Recessive allele
Genotype
Heredity
An organism that has two different alleles for a trait.
Genotype
Phenotype
Homozygous
Hybrid
An organism that has two different alleles for a trait.
Genes
Heterozygous
Genotype
Dominant allele
A number that describes how likely it is that an event will occur.
Probability
Punnett square
Pedigree
Genotype
A chart that shows all the possible ways alleles can combine in a genetic cross.
Pedigree
Family tree
Heterozygous
Punnett square
An organism's genetic makeup or allele.
Homozygous
Phenotype
Genotype
Heterozygous
Physical appearance or physical trait.
Phenotype
Genotype
Allele
Trait
An organism that has two identical alleles for a trait.
Twins
Heterozygous
Phenotype
Homozygous
An organism that has two different alleles for a trait.
Homozygous
Heterozygous
Dominant allele
Hybrid
Genes are inherited in pairs, one from each parent.
True
False
A dominant trait: CHOOSE 2
will block a recessive trait
is shown with a capital letter
always occurs more often
is better
HH is
homozygous dominant
homozygous recessive
heterozygous
neither dominant nor recessive
hh is
homozygous recessive
homozygous dominant
heterozygous
neither dominant nor recessive
Aa is a:
genotype
phenotype
homozygous
allele
How a trait appears is a
phenotype
genotype
gene
dominant
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
