Genetics Revision List - MACscience



Genetics Revision List

Understand and be able to use the following words in a sentence:

DNA, cell, nucleus, gene, allele, chromosome, dominant, recessive, homozygous, heterozygous, characteristic (trait), inherited, gamete, zygote, Punnet square, normal distribution, bell-shaped curve, discrete(either/or) variation, continuous variation, sex chromosomes, selective breeding, natural selection, evolution, mammal, primate, bipedal, opposable thumb

Variation:

o Describe continuous variation

o Give examples of characteristics (traits) that exhibit continuous variation

o Draw and describe the shape of graph you would get if you drew a frequency histogram of a characteristic that shows continuous variation

o Describe discrete variation

o Give examples of characteristics (traits) that exhibit discrete variation

o Draw and describe the shape of graph you would get if you drew a frequency histogram of a characteristic that shows discrete variation

o Explain the difference between continuous and discrete variation and say which would show less variation

Fertilisation, genetics and growth:

o Describe the relationship between genes, DNA and chromosomes

o Understand that cells divide and that the process to produce gametes is different to the process that produces more body cells

o Be able to explain how genetic material in offspring is the combination of the parents’ original genetic information

o Be able to put information into a punnett square to work out probability of offspring carrying specific characteristics

o Show using a punnett square how there is always a 50% chance of producing a boy or a girl

Adatpations, natural selection and evolution

o Describe adaptations and outline the process of natural selection

o Explain how useful characteristics are passed on to the next generation and how less fit individuals die before they can pass on their genes

o List adaptations of a chosen organism and give details on how these adaptations allow it to survive in it’s environment

o Be able to interpret the mammalian family tree and explain relationships between the families

o List characteristics of early humans and explain the differences between them and our ape relations

Genetics Revision List

Understand and be able to use the following words in a sentence:

DNA, cell, nucleus, gene, allele, chromosome, dominant, recessive, homozygous, heterozygous, characteristic (trait), inherited, gamete, zygote, Punnet square, normal distribution, bell-shaped curve, discrete(either/or) variation, continuous variation, sex chromosomes, selective breeding, natural selection, evolution, mammal, primate, bipedal, opposable thumb

Variation:

o Describe continuous variation

o Give examples of characteristics (traits) that exhibit continuous variation

o Draw and describe the shape of graph you would get if you drew a frequency histogram of a characteristic that shows continuous variation

o Describe discrete variation

o Give examples of characteristics (traits) that exhibit discrete variation

o Draw and describe the shape of graph you would get if you drew a frequency histogram of a characteristic that shows discrete variation

o Explain the difference between continuous and discrete variation and say which would show less variation

Fertilisation, genetics and growth:

o Describe the relationship between genes, DNA and chromosomes

o Understand that cells divide and that the process to produce gametes is different to the process that produces more body cells

o Be able to explain how genetic material in offspring is the combination of the parents’ original genetic information

o Be able to put information into a punnett square to work out probability of offspring carrying specific characteristics

o Show using a punnett square how there is always a 50% chance of producing a boy or a girl

Adatpations, natural selection and evolution

o Describe adaptations and outline the process of natural selection

o Explain how useful characteristics are passed on to the next generation and how less fit individuals die before they can pass on their genes

o List adaptations of a chosen organism and give details on how these adaptations allow it to survive in it’s environment

o Be able to interpret the mammalian family tree and explain relationships between the families

o List characteristics of early humans and explain the differences between them and our ape relations

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