Genes questions

Question 1

in which part of the cell does DNA get stored in

Answer 1

Nucleus

Question 2

explain why children from the same parents look similar but not identical

Answer 2

Genes Passed through Gametes egg+ sperm. Gametes join during fertilisation combination of genes a child inherits depends on which gametes join

Question 3

what 3 pieces of evidence support the theory of natural selection

Answer 3

• Fossils show that organisms have changed over time
• Species that are not adapted to an environment become extinct
• some microorganisms develop antibiotic resistance

Question 4

explain what peer review is

Answer 4

when other scientists working in similair fields check the theory before publishing to ensure they reach the same conclusion

Question 5

state what is meant by an allele

Answer 5

different forms of a same gas

Question 6

how does biodiversity affect the ecosystem?

Answer 6

Greater biodiversity in ecosystems, species, and individuals leads to greater stability. For example, species with high genetic diversity and many populations that are adapted to a wide variety of conditions are more likely to be able to weather disturbances, disease, and climate change.

Question 7

describe simply how an organism i genetically modified

Answer 7

gene is replaced by another organism in nature to display desired characteristics

Question 8

discuss for and against genetic modification

Answer 8

bacteria can be modified new pathogen created, scientists can find ways on how to treat diseases.

Question 9

how would sequenced genomes affect people

Answer 9

personalised medicine could be made

scientists may discover more about evolution