NEW
Font size
WorksheetsMendel's Laws: Grade 9 Science
Total questions: 18
Worksheet time: 54mins
An allele is:
Another word for gene
A heterozygous genotype
A homozygous genotype
One of several different forms of a gene
Phenotype refers to the _________ of an organism.
genetic makeup
alleles
observable characteristics
mutations
Which of the following genotypes are homozygous?
Tt
tt
t
T
An organism has a heterozygous genotype (Tt), but is appears tall instead of short.
Law of Dominance
Law of Segregation
Law of Independent Assortment
One gene for the type of earlobes a person will have will be in each gamete.
Law of Dominance
Law of Independent Assortment
Law of Segregation
Which of Mendel's laws states that alleles are separated during meiosis?
Law of Dominance
Law of Segregation
Law of Independent Assortment
Which of Mendel's laws states that alleles are distributed to gametes independently of one another?
Law of Dominance
Law of Segregation
Law of Independent Assortment
If a dominant allele is present, the trait will always appear in the organism.
Law of Segregation
Law of Dominance
Law of Independent Assortment
The Law of Segregation applies to mitosis.
True
False
Genes are:
The allele combination of an organism
Different forms of genes
Alleles for traits that are the same
Factors that determine traits
Genotype is:
The allele combination of an organism
Different forms of genes
Alleles for traits that are the same
Factors that determine traits
Dominant alleles are represented with a(n):
Capital letter
Lower-case letter
Shape
Emoji
Characteristics that are inherited are called:
Gametes
Zygotes
Traits
Hybrids
An organism is ______ for a trait if its two alleles for the trait are the same.
Homozygous
Heterozygous
Hybrid
Gamete
An organism is ______ for a trait if its two alleles for the trait differ from each other.
Heterozygous
Homozygous
Recessive
Dominant
Gregor Mendel is known as the:
Father of Modern Medicine
Father of the Green Revolution
Father of Genitics
Pea Plant Man
Gregor Mendel was born in what country?
Austraila
Austria
Germany
Switzerland
What did Gregor Mendel use to discover the patterns that rule the study of genetics?
Pea plants
Pigeons
Pear trees
Potatoes
