WorksheetsGenetics and DNA
Total questions: 20
Worksheet time: 15mins
This is a picture of ?
Gene
Chromosome
Medicine
Genotype
A Punnett square shows you all the ways in which _____ can combine.
Genes
phenotypes
Alleles
dogs
The factor that covers up another factor is a?
Recessive gene
not the best one
allele
dominant factor
An Example of an inherited trait would be?
My favorite color is Orange.
My favorite animal is a bird
I have Hazel eyes
I am really strong
A genotype is?
medicine and agriculture
a genetic variation
gentic make up of an organism
a recessive trait
An organism with two different alleles for a trait is?
Homozygous
Genotype
dominant factor
Heterozygous
A genotype when there are two alleles that are exactly the same is?
Purebred
Homozygous
Heterozygous
Recessive
An organism that received different alleles for a trait from each parent?
Dominant
Recessive
Hybrid
Proteins
The physical appearance of an organism is?
phenotype
genoty[e
probability
beauty
A factor that seems to disappear?
dominant factor
hidden factor
weak factor
recessive factor
Strands of DNA that are twisted together are called?
alleles
chromatin
chromosomes
genes
the different "forms" of the same gene are called?
choices
mutations
alleles
dominant
The human body cells have what number of chromosomes?
23 chromosomes
46, or 23 pairs of chromosomes
too many to count
72 chromosomes
The small segments of a chromosome that help code for a trait are called?
trait
mutations
DNA
genes
What was Rosalind Franklin's contribution to the understanding of genetics?
Discovery of mutations
Rabbit DNA
X-ray photographs of DNA
Dominant and recessive traits
When a DNA sequence is copied, sometimes mistakes occur in the new strand of DNA. This is known as a ?
alleles
dominant trait
recessive trait
mutation
Who is often referred to as the "Father of Genetics?"
Mr. Tsigaridas
Watson and Crick
Gregor Mendel
Rosalind Franklin
A Scientist is looking at a section of a chromosome that carries the code for red hair in a human. What part of a chromosome is he observing?
Trait
Gene
Dominant factor
Recessive factor
In DNA molecule, the nitrogenous bases are?
Adenine, Guanine, Cytosine and Uracine
Adenine, Thymine, Cytosine and Guanine
Adenine, Thymine, Cytosine and Vasolene
Adenine, Thymine, and Cytosine
The nitrogenour base pairs are?
Adenine-Thymine and Cytosine-Guanine
Adenine-Cytosine and Thymine-Guanine
Adenine-Protein and Thymine-fats
Thymine pairs with Cytosine
