Heredity Question Preview (ID: 21738)
Questions About Genetics And Heredity.
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Which of the following is an organism that usually reproduces asexually?
a) ant
b) bacterium
c) dolphin
d) earthworm
Which of the following is an example of sexual reproduction?
a) Division of an amoeba because all of the parts of an amoeba have the same genes and will produce identical offspring.
b) Growth of an organism is reproduction because new organisms will result.
c) Joining of an egg and sperm because two different cells combine to form an organism with a new combination of genes.
d) One cell splitting into two as in bacteria is sexual reproduction because the new cells both have identical genes.
Which of the following is an example of an organism reproduced asexually?
a) A sea star being cut in half and each half regenerating a full sea star.
b) Female salmon laying eggs on gravel stream beds to be fertilized by a male.
c) Pollen blown by wind from one flower to another resulting in a seed.
d) Pollen carried by an insect from one flower to another.
Female animals form _____ cells for sexual reproduction.
a) egg
b) ovary
c) sperm
d) zygote
How many parents are required in asexual reproduction?
a) one
b) two
c) three
d) none
You are given 3 unknown organisms labeled A, B, C. When looking at the DNA of the three unknown organisms, you find that they all have the exact same sequence of DNA. Which statement below is the most logical explanation?
a) Organisms A, B, and C were reproduced asexually from a common parent.
b) Organisms A, B, and C were reproduced sexually from a single pair of parents.
c) Organism A and B are the parents of C.
d) Organism A, B, and C are unrelated.
Bacteria reproduce asexually by dividing in two. If you were to examine the genetic material of two bacteria that had just been reproduced from the same parental cell, how would their genetic material compare? (Assume no mutations occur)
a) completely different.
b) about 65% the same.
c) about 50% the same.
d) 100% the same.
Both parents of a Siamese cat have green eyes. Their offspring also have green eyes. This would be an example of
a) an acquired trait.
b) an inherited trait.
c) a learned trait.
d) a found trait.
Pat's mom is a concert pianist. People keep telling Pat that she will also be a great pianist one day because she will get it from her mom. How could you describe this statement?
a) Inference - piano playing is an acquired trait.
b) True - piano playing is an inherited trait.
c) True - piano playing is an acquired trait.
d) Inference - piano playing is an inherited trait.
You are given 3 unknown organisms labeled A, B, C. When looking at the DNA of the three unknown organisms, you find that the DNA of organism C is a combination of the DNA from organism A and organism B. Which statement is the most logical reason?
a) Organisms A, B, and C were reproduced asexually.
b) Organisms A, B, and C were siblings.
c) Organism A and B are the parents of C.
d) Organism A, B, and C are unrelated.
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