Which ONE of the following combinations results in genetic variation in organisms?
A Mitosis; asexual reproduction; mutations
B Meiosis; sexual reproduction; mutations
C Mitosis; asexual reproduction; sexual reproduction
D Meiosis; meiosis; sexual reproduction
The inheritance of one trait does not depend on the inheritance of another trait - NSC Life Sciences - Question 1 - 2016 - Paper 2
Question 1
Which ONE of the following combinations results in genetic variation in organisms?
A Mitosis; asexual reproduction; mutations
B Meiosis; sexual reproduction; mutati... show full transcript
Worked Solution & Example Answer:Which ONE of the following combinations results in genetic variation in organisms?
A Mitosis; asexual reproduction; mutations
B Meiosis; sexual reproduction; mutations
C Mitosis; asexual reproduction; sexual reproduction
D Meiosis; meiosis; sexual reproduction
The inheritance of one trait does not depend on the inheritance of another trait - NSC Life Sciences - Question 1 - 2016 - Paper 2
Step 1
1.1.1 Which ONE of the following combinations results in genetic variation in organisms?
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Answer
The combination that results in genetic variation in organisms is D Meiosis; meiosis; sexual reproduction.
Step 2
1.1.2 The inheritance of one trait does not depend on the inheritance of another trait. This represents...
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Answer
This represents D The principle of independent assortment.
Step 3
1.1.3 In bees, females are diploid and males are haploid. Females and males produce haploid gametes. This means that...
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Answer
This means that B Males produce gametes by meiosis.
Step 4
1.1.4 In mice, the genotype for producing grey fur and Yy produces yellow fur. The genotype for mice with a yellow mouse...
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Answer
The gray mouse could yield offspring in a 3:1 ratio, thus the answer is B 3:1.
Step 5
1.1.5 Which ONE of the combinations of alleles would be present in chromatid C after crossing over occurred at point P?
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Answer
The correct combination of alleles will be B abRt.
Step 6
1.1.6 The only possible blood type(s) of the offspring of the first generation (F1) is/are...
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The possible blood types are A AB and O.
Step 7
1.1.7 The structure of DNA was determined by using X-ray pictures produced by...
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Answer
The structure was determined by B Franklin and Wilkins.
Step 8
1.1.8 We can conclude that...
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We can conclude that B the man is heterozygous for eye colour.
Step 9
1.1.9 A possible explanation for an observation that can be tasted is known as a...
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This is known as D hypothesis.
Step 10
1.1.10 The two groups of dinosaurs with the most characteristics in common are...
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The two groups are A Triceratops and Pachycephalosaurus.
