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Bio Lab

A colorful and engaging illustration of DNA strands, pea plants, and genetic symbols on a laboratory background, emphasizing genetics and biology.

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

15 Questions4 MinutesCreated by LearningLeaf394

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

Tall

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

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

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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