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science hour four
science
Question | Answer |
---|---|
What is homozygous? | having identical alleles (DD,dd) |
What is heterozygous? | having different alleles (Dd) |
What does dominant mean? | alleses that are expressed in geotype, it shows up. |
What is recesive mean? | alleles that is hidden in the genotype, you cant see. |
What is genotype? | the genetic makeyp of an organism all the genes that an organism has expressed as letters. |
What are alleles? | an alternate form of a gene for a specific trait or gene product. |
What is Phenotype? | the appearance of an organism resulting fron the interaction of the genotype and the environment. |
What is a purebred? | having identical alleles for a trait. |
What is an egg cell? | the female gamete |
What is cloning? | a cell, cell product, or organism that is genetically identical |
What is fertilization? | the union of male and female gametic nuclei |
what is selective breeding? | the intentional mating of two animals in an attempt to produce offspring with desirable characteristics or for the elimination of a trait |
What is sperm? | a male reproductive cell |
What is pedigree? | an ancestral line |
What is replication? | DNA replication is simply the process that all living things use to copy their DNA |