Heredity Quiz
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The allelle / (trait) that is “weaker”. The offspring will not have the trait represented unless there are two of these.
A. recessive allele
B. dominant allele
C. co-dominant allele
Which is the stronger gene that always shows itself?
A. Hybrid
B. Dominant
C. Pure
D. Recessive
A unit of genetic material or factor that determines a trait
A. Carrier
B. DNA
C. chromosome
D. Gene
The different forms of a gene.
A. Genes
B. Allele
C. Phenotype
D. Pedigree
Chromosomes are
A. Found in the mitochondria
B. Made of 20 pairs
C. Long strands of DNA that contain many genes
D. Bundles of DNA that contain only one gene each
Which would be an example of a trait shaped by their environment?
A. Eye color
B. Hair color
C. Language they speak
D. Height
Segments of DNA (Deoxyribonucleic acid) found in chromosomes that give instructions for producing a certain characteristic.
A. heredity
B. gene
C. allele
D. genotype
E. phenotype
When the doctor operates on the patient’s eye, he is using
A. learned behavior.
B. acquired physical trait.
C. inherited physical trait.
D. instinct.
If a gene is always expressed or always shown with a capital letter it is
A. Bossy
B. Recessive
C. Yelling
D. Dominant
The scientific study of heredity.
A. Genetics
B. Heredity
C. Probability
D. Pedigree
Which of the following is heterozygous or one dominant and one recessive allele?
A. FF
B. tt
C. Gg
D. RR
What organism did Mendel study?
A. pea plants
B. onions
C. mice
D. cats
The inherited combination of alleles is known as the offspring’s
A. heredity
B. phenotype
C. genotype
D. redigree
If two alleles are the same for a certain trait they are considered
A. Homozygous
B. Twins
C. Heterozygous
D. Common
Every living thing has genetic information stored in the form of
A. Ribosomes
B. DNA
C. Chloroplast
D. Mitochondria
An organism’s appearance is known as its
A. heredity
B. phenotype
C. genotype
D. pedigree
Juan’s dog, Luna, was hit by a car. Fortunately, she lived and is healthy! But she is now missing a leg. Having only three legs is a(n)
A. inherited trait.
B. learned behavior.
C. instinct.
D. acquired trait.
If you cross two heterozygous pea plants that are tall, what is the probability they will have offspring that are tall?
A. one in four
B. two in four
C. four in four
D. three in four
A trait that is always hidden when the dominant allele is present.
A. Phenotype
B. Recessive allele
C. Genotype
D. Heredity
Which sentence is FALSE?
A. All organisms have 23 pairs of DNA.
B. Chromosomes are made of genes.
C. DNA is made out of 4 chemicals: adenine, cytosine, thymine, guanine
D. DNA is the recipe for life.
The passing of physical characteristics, or traits, from parent to offspring.
A. Genetics
B. Dominant allele
C. Heredity
D. Recessive allele
Which is heterozygous ?
A. Tt
B. TT
C. ZZ
D. E
When one allele is not dominant over another, resulting in a blended phenotype for heterozygous offspring is considered….
A. Incomplete Dominance
B. Codominance
Different versions or forms of the same gene are called –
A. chromosomes
B. sex cells
C. nitrogen bases
D. alleles
What is cross pollination?
A. When pollen from a flower fertilizes itself or another flower on the same plant
B. When pollen from one flower fertilizes a flower on a different plant
C. A plant whose offspring share the same traits as the parent
D. A plant whose offspring is genetically different from the parent.
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