reproduction and inheritance
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14 Terms
What is sexual reproduction
Sexual reproduction involves two parents and produces genetically different offspring
What is asexual reproduction
Asexual reproduction involves one parent and produces genetically identical offspring
What is fertilisation?
Fertilisation is the fusion of a sperm cell and an egg cell to form a zygote
What is a zygote?
A zygote is a fertilised egg cell
What is DNA
DNA is the molecule that carries genetic information
What is a gene?
A gene is a section of DNA that controls a characteristic
What are chromosomes?
Chromosomes are long strands of DNA that contain genes
What is a allele?
An allele is a different version of a gene
What is a dominant allele?
A dominant allele is always expressed if it is present
What is a recessive allele?
A recessive allele is only expressed if no dominant allele is present