Genetics: Sex Determination, Sex-Linked Traits, and Mutations

Biology

Explores sex determination in humans, sex-linked traits like colorblindness and hemophilia, and different types of genetic mutations and their effects.

Genetics Inheritance Mutations

13 Questions Medium Ages 15+ Nov 5, 2025

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About this Study Set

This study set covers Biology through 13 practice questions. Explores sex determination in humans, sex-linked traits like colorblindness and hemophilia, and different types of genetic mutations and their effects. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 13 questions from the Genetics: Sex Determination, Sex-Linked Traits, and Mutations study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the term for the complete set of chromosomes in a diploid cell?

A Karyotype
B Genotype
C Phenotype
D Genome

2 In humans, how many pairs of autosomes are present in a typical karyotype?

A 23
B 1
C 22
D 46

3 Which chromosome primarily determines male sex characteristics in humans?

A X chromosome
B Y chromosome
C Autosome 21
D Mitochondrial DNA

4 What is the probability of having a boy or a girl during conception?

A 25%
B 75%
C 50%
D 100%

5 Which of the following is an example of a sex-linked trait?

A Hair color
B Eye color
C Daltonism (color blindness)
D Height

6 Where are genes that determine sex-linked traits primarily located?

A Y Chromosome
B Autosomes
C X Chromosome
D Mitochondria

7 A woman with normal color vision whose father was colorblind marries a man with normal color vision. What is the probability that their son will be colorblind?

A 0%
B 25%
C 50%
D 100%

8 What is the term for a sudden, permanent change in genetic material?

A Recombination
B Mutation
C Transcription
D Translation

9 Which of the following is an example of a mutagenic agent?

A Vitamin C
B Water
C Ultraviolet (UV) radiation
D Glucose

10 What type of mutation involves a change in a single nucleotide base in DNA?

A Chromosomal mutation
B Gene mutation
C Ploidy
D Translocation

11 What is a 'silent mutation'?

A A mutation that causes death
B A mutation with no observable effect
C A mutation that is always beneficial
D A mutation in non-coding DNA

12 What is the term for the ability of an organism to change its phenotype in response to environmental changes?

A Genotype
B Plasticy
C Mutation
D Recombination

13 What is the difference between continuous and discontinuous variation?

A Continuous is qualitative, discontinuous is quantitative
B Continuous is environmental, discontinuous is genetic
C Continuous is quantitative, discontinuous is qualitative
D Continuous is genetic, discontinuous is environmental

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