WorksheetsAssessment #1 (Sept 2023)
Total questions: 20
Worksheet time: 20mins
What is an allele?
A trait
Different forms of a gene
DNA
Different types of parents
What is a genotype?
Pair of alleles that determine a specific trait
Observable physical trait
A trait that is observed with only one copy of an allele
What is a phenotype?
Pair of alleles that determine a trait
Observable physical trait
Different forms of a gene
What is a dominant gene?
A trait that is observed when there are one OR two copies of the allele
A trait that is observed only when there are two copies of the allele
A trait that can be hidden in a generation
A person who is homozygous for a trait can have a genotype of....
AA, Aa
Aa, aa
AA, aa
aa
If a person is heterozygous for a trait, their genotype can be...
Aa
AA, aa
AA, Aa
AA
If "B" represents brown hair, and "b" represents blond hair, what will the genotype be for a homozygous brown haired person?
BB
Bb
bb
P= purple petals and p= white petals. What genotype(s) would result in purple petals?
pp
Pp, pp
PP, Pp
PP, pp
How many copies of the recessive gene must there be for that phenotype to show up?
1
2
3
4
Which of the following alleles is homozygous recessive?
In a Punnett square each box represents the probability of a(n) _______ trait.
offspring's
parent's
gene's
allele's
A chart that shows all the possible combinations of alleles that can result from a genetic cross
Something capable of spreading disease without being infected itself (rats, mosquitoes, soil parasites)
Vector
Hazard
Virus
Infection
Using sanitary habits to maintain health and prevent illness
Infection
Disease
Hygiene
Toxin
Nonliving pathogen that is capable of infecting and reproducing within living hosts: may spread rapidly throughout populations.
Virus
Vector
Fungi
Disease
Following are the causes that weaken the immune system except
Stress
Exposure to polluted air
Exposure to pesticides
Healthy diet
An example of a communicable disease is..
measles
coronavirus
chicken pox
all of the above
An example of a non-communicable disease is...
asthma
flu
coronavirus
measles
Which factors contribute to positive health?
stress, anxiety
healthy balanced diet
plenty of exercise
balanced diet, exercise, access to medical care
A medicine that can give you immunity to a disease is called a __________.
antibodies
vaccine
pathogen
white blood cell
