Learning Guide 3 Quiz

A colorful illustration of DNA strands with highlighted genes, sex chromosomes, and a family tree to represent inheritance and traits.

Genetics Basics Quiz

Test your understanding of genetics with our interactive quiz! This quiz covers fundamental concepts such as sex chromosomes, alleles, dominance, and inheritance patterns.

Designed for everyone, it features:

  • Multiple choice questions
  • Immediate feedback on your answers
  • Engaging content suitable for learners of all levels
9 Questions2 MinutesCreated by LearningGene123
Which combination of sex chromosomes determines the sex of an individual?
XX: female and YY: male
YZ: female and YY: male
XX : female and XY: male
YY: female and YZ: male
If the parents of three boys in their family become pregnant, the chance of the next baby being a girl is……………….
0%
Cannot be determined
50%
100%
Every organism has two alleles for every trait because ………..
There are two parents
There are two types of genes
The four bases combine in pairs
Genes work in pairs
The dominant allele is the one that…
Will mix with the other allele to give a new characteristic
Will be carried by the ovum
Will always show up in the phenotype
Will be inherited by the male
If the (B) allele codes for brown eyes and (b) for blue eyes, what are the possible genotypes?
B and b
BB and bb
BB, Bb, and bb
Brown eyes and blue eyes
The genotype of a blue-eyed person must be ………………
Bb
BB or Bb
Bb
BB
Use a Punnett Square to work out the percentage of blue-eyed children from parents that are Bb and bb. …………………………
100%
0%
25%
50%
"Homozygous” means ......
Both sex chromosomes in the genotype are different
Both sex chromosomes in the genotype are the same
Both alleles in the genotype are the same
Both alleles in the genotype are different
A ‘pedigree chart’ is like a…….
Family tree
DNA molecule
Genotype
Punnett Square
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