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Genetics quiz part 2

study stack for second genetics squiz

QuestionAnswer
skin cancer result from exposure to too much ultraviolet radiation or the sun
amino acids building blocks of proteins
ribosomes cell organelle present in all types of cells, site of protein synthesis
incomplete dominance a blending of the 2 traits. example white flower and a red flower produce a pink flower
heterozygous one capital and one lowercase letter, hybrid
karyotype picture of a persons chromosomes
eukaryotic a cell that has a nucleus and membrane organelle
tRNA tranfer RNA located in the cytoplasm carries anti codons attaches to amino acids and brings them to the ribosomes, the goes back to the cytoplasm and picks up more amino acids
meiosis process of making gametes (sex cells) half the number of chromosomes as in the zygote (haploid)
phenotype physical appearance of a trait. Example blue
genotype alleles for a trait ie, letter combinations example Tt
codominance both traits show up in the offspring. examples white flower and red flower produce a flower with both white and red petals
Blood type multiple allele, o is recessive, A and B are codominant
Polygenetic traits traits such as skin color which have many allele and phenotype is expressed as a blending of many different shades
enzymes protein molecules that speed up chemical reactions by lowering the activation energy needed for the reaction
Carbon present in carbohydrates, lipids and proteins, makes them organic molecules
sex linked trait trait that is carried on the x chromosome. Passed from mother to son.
XX female, Humans always have a 50 to 50 percent chance of producing a boy or girl with each fertilization
XY male, humans always have a 50 to 50 percent chance of making a boy or girl with each offspring.
Created by: TeresaGentry
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