B3 - Genetics (Y10) | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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What are the male and female sex chromosomes?

Male = XY, Female = XX

Is someone's eye colour an example of genetic or environmental variation?

Genetic

State the complementary base pairs in double stranded DNA

A pairs with T and C pairs with G

How is genotype different from phenotype?

Genotype: alleles for a certain characteristic. Phenotype: the characteristic produced by alleles

What is the difference between dominant and recessive alleles?

Dominant: always seen in phenotype if present. Recessive: need 2 to be seen in phenotype

What is a mutation?

Change in the DNA sequence

What is an allele?

A version of a gene

Which cell division process occurs for the purpose of growth and repair?

Mitosis

Which cell division process occurs to produce gametes?

Meiosis

From this Punnett Square, what is the percentage change of these parents having a female child?

50%

Which word describes an organism that has two different alleles for the same gene?

Heterozygous

Which cell division process would produce 2 genetically identical daughter cells?

Mitosis

In this Punnett square, what is the percentage change of the offspring being heterozygous?

50%

How many chromosomes are in human cells?

46 = 23 pairs

Which word describes an organism that has two of the same alleles for the same gene?

Homozygous

Which cell division process would produce 4 genetically different daughter cells?

Meiosis

Which substance is used to precipitate DNA?

Ethanol

Which term is used to describe the structure of a DNA molecule?

Double helix

Cystic Fibrosis is a recessive disorder. From this Punnett Square, what is the % chance of the offspring NOT having Cystic Fibrosis?

75%

Would data on the heights of a group of people be an example of discontinuous or continuous variation?

Continuous

When extracting DNA, why is detergent/washing up liquid added?

It breaks down the cell membrane, causing the fruit cells to release their DNA

Is the number of piercings that someone has an example of genetic or environmental variation?

Environmental