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Gregor Mendel's Genetics
Test Description: Students will explain the importance of Gregor Mendel to the field of genetics
Instructions: Answer all questions to get your test result.
1) Why did Gregor Mende use pea plants in his experiments?l
A
Peas grow very slowly
B
Peas have characteristics that have two forms
C
Peas normally produce very few offspring
D
Pea reproduction cannot be controlled
2) Which statement best describes an understanding of genetics that would be missing without the work of Mendel?
A
The protein codes for traits would not be shown
B
Some alleles are dominant, and some are recessive
C
Offspring receive two copies of each allele from each parent
D
The DNA codes for traits would not be shown
3) Which statement describes Mendel's hypothesis regarding gametes?
A
A gamete can carry multiple alleles for a trait
B
Some gametes are dominant and some are recessive
C
A gamete carries two genes for a trait
D
A gamete carries one allele for a gene
4) What is a gene?
A
A section of a protein that codes for DNA
B
A section of DNA that codes for a specific trait
C
The alternate version of a trait
D
The visible trait in the F1 generation
5) Which statement describes the offspring of the F1 generation when crossing a pea plant that is homozygous for green seeds with a pea plant that is homozygous for yellow seeds?
A
Each offspring will have a unique set of alleles
B
The green trait is the dominant trait
C
The offspring will inherit one gene from each parent
D
The offspring will have both green and yellow seeds
6) During an experiment, a scientist crosses a pea plant that has purple flowers with a pea plant that has white flowers. The plants that result from this cross in the F1 generation have both purple and white flowers. What can the scientist conclude?
A
The plants in the P generation were not true-breeding
B
All the plants in the F2 generation will have purple flowers
C
White flowers are dominant over purple flowers
D
Both purple flowers and white flowers are recessive
7) What controls traits and inheritance?
A
temperature
B
proteins
C
gametes
D
nucleic acids
8) Nucleic acids offer variability because they contain alternate forms of genes called ___________.
A
ribosomes
B
alleles
C
codons
D
protein
9) A scientist wants to examine a genetic disease in humans. The scientist hypothesizes that the disease can be treated by using gene therapy. Humans take a long time to reproduce and develop, so the scientist will have to .....
A
develop new methods to test the hypothesis
B
find a way to make human reproduce faster
C
give up on testing the hypothesis
D
test the hypothesis for a very long time
10) Scientists often use fruit flies as a method to test hypotheses about human genes. Why are fruit flies advantageous in the study of human inheritance?
A
They lack nucleic acids
B
They reproduce quickly and take up little space
C
They can self-pollinate
D
They are very different from humans
*select an answer for all questions
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