Classic Classic Biology Quiz by Barbie2015 Barbie2015 42 played - 11 yrs ago Quiz for chapters 9-17 QUIZ 10 QUESTIONS medium Biology 1 Why was the development of purebred pea plant varieties critical to Mendel's work? It allowed Mendel to predict the outcome of specific crosses and run controlled experiments.To make a pea soup. 2 Genes come in different versions called : AllelesDoughnuts 3 The condition where two alleles are identical is called ----------, and where two alleles are different is called------------ Homozygous/heterozygousHeterozygous/homozygous 4 If two plants have the same genotype, they must have the same----- PhenotypeGenotype 5 If two plants have the same phenotype, they don't have to have the same genotype. One can be : Homozygous for the dominant allele, and the other is heterozygous.White and second black. 6 You can carry two alleles for every trait. One is from your father via his-----, and one from your mother via her ----- Sperm/eggJob/shopping 7 What is a wild-type trait? Wild childA trait that is a prevailing one in nature. 8 Some autosomal disorders in people include : Recessive disorders : albinism, cystic fibrosis, phenylketonuria, sickle-cell disease; Dominant disorders : dwarfism, Alzheirmer, Huntington's diseaseBipolar disorder 9 Why mating between close blood relatives is a bad idea? It is more likely to produce offspring homozygous for a harmful recessive trait.You just can't marry your cousin. 10 A man and a woman who are both carriers of cystic fibrosis have had three children without cystic fibrosis. If the couple has a 4th child, what is the probability that the child will have the disorder? 1/4. The genotypes and phenotypes of their other children are irrelevant.100 in 20. A mistake in this Quiz ? Contact the author Commentaires
