Understanding Inheritance and Evolution
Interactive Video
•
Biology, Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the main issue with the blending theory of inheritance in relation to Darwin's theory?
It indicated that traits would dilute and disappear over time.
It proposed that all traits were equally dominant.
It suggested traits would become more pronounced over generations.
It implied that rare traits would become more common.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Mendel discover about the nature of traits?
Traits are determined by discrete units called genes.
Traits are influenced by environmental factors only.
Traits are determined by continuous material.
Traits are always inherited in pairs.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Mendel's experiments, what is the term for an organism with two identical alleles at a locus?
Homozygous
Heterozygous
Recessive
Dominant
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a heterozygous genotype express its phenotype?
It expresses both alleles equally.
It expresses the recessive allele only.
It expresses the dominant allele only.
It does not express any allele.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What analogy is used to explain the relationship between genotype and phenotype?
A library of books
A set of marbles
A paint palette
A mixing bowl
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the modern synthesis of evolutionary theory integrate?
Mendelian genetics and DNA only
Natural selection and Mendelian genetics only
Mendelian genetics, natural selection, and DNA
DNA and natural selection only
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the modern synthesis, what is the first phase of evolution?
Environmental adaptation
Natural selection acting on phenotypes
Redistribution of alleles within a species
Creation of new species
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