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Genetics Fundamentals

19 terms·StudBud Administration

Test your knowledge on basic genetics concepts, including dominant genes, alleles, genotypes, and inheritance patterns.

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Questions 19

Answers

1
What does homozygous mean?
Single allele
No alleles
Different alleles
Same alleles
2
What is genetic inheritance?
Creating genes
Destroying genes
Ignoring genes
Passing genes
3
What is Mendel known for?
Genetics research
Chemistry discoveries
Astronomy studies
Physics laws
4
Which gene affects hair texture?
Recessive
Neither
Dominant
Both
5
What is genetic variation?
No differences
Same traits
Differences in genes
Identical genes
6
Which trait is visible in phenotype?
Hidden
Recessive
Invisible
Dominant
7
What is a Punnett square used for?
Measure DNA
Analyze proteins
Predict traits
Count genes
8
Which gene can skip generations?
Both
Neither
Recessive
Dominant
9
Which gene affects eye color?
Dominant
Both
Neither
Recessive
10
What is a carrier in genetics?
No genes
All genes visible
Has recessive gene
Shows dominant trait
11
Which gene requires two copies to show?
Recessive
Both
Neither
Dominant
12
How many alleles do humans have per gene?
One
Two
Four
Three
13
Which gene is expressed in heterozygotes?
Dominant
Neither
Both equally
Recessive
14
True or false: recessive genes are weaker
True
False
15
What defines a dominant gene?
Masks recessive
Needs two copies
Rarely expressed
Always visible
16
What is a genotype?
Gene combination
Protein structure
DNA sequence
Physical trait
17
Which plant did Mendel study?
Pea plant
Wheat
Tomato
Corn
18
What does heterozygous mean?
No alleles
Single allele
Same alleles
Different alleles
19
Which gene is more common in population?
Dominant
Recessive
Neither
Both equally