Genetics 1 Revision
Quiz by gizem
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7 questions
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- Q1having two of the same genes for the trait (sometimes called purebred).dihybridehomozygousheterozygousmonohybride10s
- Q2having two different genes for a trait (sometimes called hybrid).heterozygousdihybridehomozygousmonohybride10s
- Q3A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?50 % BB and 50% Bb100% BB75% BB and 25%Bb50% Bb and 50% bb30s
- Q4Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?25 %50 %0 %75%30s
- Q5If T=Tall & t=short, what is the genotypic ratio?1:12:21:2:11:320s
- Q6Purple is dominant to white. A heterozygous purple flower is crossed with a white flower. What are the genotypes and phenotypes of the offspring?50% PP (purple); 50% pp (white)25% PP, 50% Pp, 25% pp 75% purple, 25% white50% Pp (purple); 50% pp (white)100% Pp (purple)30s
- Q7Assuming that the probability of having a female child is 50% and the probability of having a male child is also 50%, what is the probability that a couple's first-born child will be female and that their second-born child will be male?25%0%75%50%30s
