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genetics
Question | Answer |
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advantages of asexual reproduction | Requires one parent produces a lot of offspring in a short amount of time |
the Disadvantages of asexual reproduction | populations are so genetically similar. that it would a long time to adapt to changing environments. this causes them to be extint |
The advantages of sexual reproduction | Diversity is greater. the genetic variation from previous generations provides the advantage t adopt more quickly in a changing enivorment |
the disadvantage of sexual reproduction | requires 2 parents reproduction is slower |
what is selective breeding | when organisms will reproduce based on desired traits. |
what is genetics | the study of how traits are inherited |
what is a dominate traits | some traits often showmen in the offspring |
what is recessive traits | traits showed up only rarely, and masked by dominate traits |
what is a gene | part of DNA which coils up into a chromosome |
what is an alleles | the different versions of a gene |
what is heterozygous | has 2 different alleles for a gene |
what is gamete | reproductive cells (egg & sperm) |
what is zygote | a single cell formed as a result of the merging of an egg cell and a sperm cell. |
what is genotype | uses letters as symbols |
what is phenotype | the physical appearance of the gene |