GCSE Biology, Genes And Environment

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| By Zoetiggy

Zoetiggy

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Quizzes Created: 1 | Total Attempts: 360

Questions: 6 | Attempts: 360 | Updated: Mar 21, 2023

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GCSE Biology quiz, do you know your stuff?

Questions and Answers

1.

Betty and Maria are identical twins but they do not look exactly alike, for example Betty is 5cm taller, why is this? Check the best answer
- A.
  
  Betty and Maria inherited different genes
- B.
  
  Betty was born before Maria
- C.
  
  The Environment effects their apperence
- D.
  
  The Environment effects their genes.
Correct Answer
C. The Environment effects their apperence

Explanation
The answer suggests that the difference in appearance between Betty and Maria is due to the environment. This means that factors such as nutrition, lifestyle, and experiences may have influenced their physical characteristics, causing Betty to be taller than Maria. It implies that their genes are likely the same, but external factors have played a role in shaping their appearance.

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1
0
2.

Genes are found in the __________ of a cell. Genes are instructions for making __________.

Correct Answer
nucleus, proteins

Explanation
Genes are found in the nucleus of a cell. The nucleus is the control center of the cell where the DNA is located. Genes are segments of DNA that contain instructions for making proteins. Proteins are essential molecules that perform various functions in the cell, such as catalyzing chemical reactions, providing structural support, and regulating gene expression. Therefore, the correct answer is nucleus, proteins.

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4
3.

If we relate our genetic structure to a library, Match the following.a) Genesb) Allelesc) ChromosomesTo the appropriate part.
- A.
  
  A) Bookshelf b) Book c) Building
- B.
  
  A) Book b) Building c) Bookshelf
- C.
  
  A) Building b) Book c) Bookshelf
- D.
  
  A) Book b) Bookself c) Building
- E.
  
  A) Building b) Bookshelf c Book
Correct Answer
A. A) Bookshelf b) Book c) Building

Explanation
Genes can be compared to books in a library because they contain the instructions or information for making proteins, similar to how books contain knowledge. Alleles can be compared to individual books because they are different versions or variations of a gene, just like books can have different editions or authors. Chromosomes can be compared to the building that houses the library because they are structures that contain many genes, similar to how a building contains many books on its shelves.

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1
0
4.

You have _______ chromosomes.
- A.
  
  92, 46 pairs
- B.
  
  40, 20 pairs
- C.
  
  46, 23 pairs
- D.
  
  24, 12 pairs
Correct Answer
C. 46, 23 pairs

Explanation
The answer "46, 23 pairs" is correct because humans typically have 46 chromosomes, which are organized into 23 pairs. Each pair consists of one chromosome inherited from the mother and one from the father, resulting in a total of 23 pairs.

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5.

Explain how a couple with dimples ( D which is a dominant gene) could have a child with no dimples.
6.

None Identical twins are conceived, child a has the genetic code XX child b has XY what sex are they?
- A.
  
  A is male b is female
- B.
  
  A is female b is male
- C.
  
  They are both male
- D.
  
  They are both female
- E.
  
  None of the above, the genetic combinations do not exist.
Correct Answer
B. A is female b is male

Explanation
The genetic code XX typically corresponds to a female individual, while XY typically corresponds to a male individual. In this case, child a has the genetic code XX, indicating that she is female. Child b has the genetic code XY, indicating that he is male. Therefore, the correct answer is "a is female b is male."

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
May 16, 2010

Quiz Created by
Zoetiggy

GCSE Biology, Genes And Environment

Betty and Maria are identical twins but they do not look exactly alike, for example Betty is 5cm taller, why is this? Check the best answer

Genes are found in the __________ of a cell. Genes are instructions for making __________.

If we relate our genetic structure to a library, Match the following.a) Genesb) Allelesc) ChromosomesTo the appropriate part.

You have _______ chromosomes.

Explain how a couple with dimples ( D which is a dominant gene) could have a child with no dimples.

None Identical twins are conceived, child a has the genetic code XX child b has XY what sex are they?

Genes are found in the of a cell. Genes are instructions for making .