Bio Lab
Bio Lab Genetics Quiz
Test your knowledge of fundamental genetics concepts with our engaging Bio Lab Genetics Quiz! This quiz covers a variety of topics including alleles, genotypes, phenotypes, and more. Perfect for students and educators alike, it’s your chance to reinforce your understanding and learn something new!
Features of the quiz:
- 15 multiple-choice questions
- Instant feedback on your answers
- Fun and educational experience
What is an allele?
A hybrid between two species.
A sex cell, either sperm or an egg.
An alternative form of a gene.
An alternative name for a chromosome
When an organism is described as homozygous for a certain gene it possesses;-
Two different genes.
Two copies of the same chromosome.
Two copies of the same allele.
Two different alleles.
There are two alleles controlling tallness of peas, T is dominant for tall plants, and t is the recessive allele for short plants. If a TT tall plant is crossed with a tt short plant what will be the resulting phenotype of the F1 generation?
Short
TT
Tt
Tall
There are two alleles controlling tallness of peas, T is dominant for tall plants, and t is the recessive allele for short plants. If a TT tall plant is crossed with a tt short plant what will be the resulting genotype of the F1 generation?
Tt
Tall
TT
Short
Color blindness is a sex-linked trait. It mostly affects men. This is because:-
The allele for color blindness is on the Y chromosome.
The allele for color blindness is on the X chromosome.
Men are dominant
Men are recessive
There are two alleles controlling Freckles, F is dominant for freckles and f is the recessive allele for no freckles. If a FF individual is crossed with a ff individual what will be the resulting phenotypeof the F1 generation?
50% FF and 50% Ff
Ff
FF
Freckles
To analyze potential outcomes of a genetic cross it is common to draw a grid called a
Punnett Square
Venn Diagram
Test cross
Mendelian cross
Which of the following is the best definition of an allele?
An alternate version of a gene created by mutation
A homologous chromosome
A trait inherited from one parent
A gene that can produce a protein
During which process are homologous chromosomes separated?
During DNA replication
During transcription
Anaphase of meiosis
Anaphase of mitosis
Albinism is a recessive disorder, an albino will possess which genotype?
Homozygous dominant
Heterozygous
Homozygous recessive
Homozygous recessive or heterozygous
Widows peak is a dominant trait. If you have a widows peak what is your genotype?
Heterozygous
Homozygous dominant or heterozygous
Homozygous dominant
Homozygous recessive
Curly hair is incompletely dominant over straight hair. An individual with wavy hair has which genotype?
Homozygous dominant or heterozygous
Heterozygous
Homozygous dominant
Homozygous recessive
There are four possible human blood types because alleles for blood types because the alleles A and B are_________________ in relation to O.
Codominant
Corecessive
Dominant
Recessive
An individual is heterozygous for tongue (Tt) rolling. What gametes can this individual produce
50% TT and 50% tt
T
T
50% T and 50% t
Which of the following is a true statement regarding gamete formation?
Gametes are diploid (2n), they are produced by mitosis
Gametes are haploid (n), they are produced by mitosis
Gametes are diploid (2n), they are produced by meiosis
Gametes are haploid (n), they are produced by meiosis
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