Gregor Mendel's Genetics Question Preview (ID: 33412)


Students Will Explain The Importance Of Gregor Mendel To The Field Of Genetics. TEACHERS: click here for quick copy question ID numbers.

Why did Gregor Mende use pea plants in his experiments?l
a) Peas grow very slowly
b) Pea reproduction cannot be controlled
c) Peas normally produce very few offspring
d) Peas have characteristics that have two forms

Which statement best describes an understanding of genetics that would be missing without the work of Mendel?
a) The DNA codes for traits would not be shown
b) The protein codes for traits would not be shown
c) Some alleles are dominant, and some are recessive
d) Offspring receive two copies of each allele from each parent

Which statement describes Mendel's hypothesis regarding gametes?
a) A gamete carries two genes for a trait
b) A gamete carries one allele for a gene
c) A gamete can carry multiple alleles for a trait
d) Some gametes are dominant and some are recessive

What is a gene?
a) A section of a protein that codes for DNA
b) The alternate version of a trait
c) The visible trait in the F1 generation
d) A section of DNA that codes for a specific trait

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) The green trait is the dominant trait
b) The offspring will inherit one gene from each parent
c) The offspring will have both green and yellow seeds
d) Each offspring will have a unique set of alleles

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) White flowers are dominant over purple flowers
b) Both purple flowers and white flowers are recessive
c) The plants in the P generation were not true-breeding
d) All the plants in the F2 generation will have purple flowers

What controls traits and inheritance?
a) gametes
b) nucleic acids
c) proteins
d) temperature

Nucleic acids offer variability because they contain alternate forms of genes called ___________.
a) alleles
b) codons
c) ribosomes
d) protein

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) give up on testing the hypothesis
b) test the hypothesis for a very long time
c) develop new methods to test the hypothesis
d) find a way to make human reproduce faster

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 can self-pollinate
b) They lack nucleic acids
c) They are very different from humans
d) They reproduce quickly and take up little space

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