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Inheritance
| Question | Answer |
|---|---|
| When a area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome,___occurs | Crossing over |
| The passing on of traits from parents to offspring is called___ | Heredity |
| The statement "In meiosis , the way in which a chromosome pair separates does not affect the way other pairs separate," is another way of expressing Mendel`s law of ___ | Independent assortment |
| A dogs phenotype can be determined by___. | Mating the dog and examining its offspring |
| Genes located on homologous chromosomes may have alternate forms that control different forms of a trait. These alternate forms of a gene are called___. | alleles |
| Both hemophilia and red-green color blindness are___. | sex-linked traits |
| A human genetic disorder caused by a dominant gene is___. | Huntington's`s Disease |
| The process used to separate DNA segments of different lengths is___. | Gel electrophoresis |
| Gel electrophoresis is a technique used to ___. | separate DNA fragments by charge and length |
| A useful device for predicting the possible offspring of crosses between different genotypes is the___. | Punnett Square |
| The___produced by each parent are shown along the sides of a Punnett square. | Gametes |
| Which of the following describes an organism that has the genotype Bb? | Heterozygous |
| Mendel's law of segregation states that during meiosis, the factors that control each trait separate, and only___from each pair is/are passed to the offspring. | one chromosome |
| Cells containing TWO alleles for each trait are described as___. | Diploid |
| The gamete that contains genes contributed only by the mother is___. | an egg |
| The 23d pair of chromosomes that differ in males and females are called___. | sex chromosomes |
| Eye color in humans is the result of___ inheritance. | Polygenic |
| Royal hemophilia is the result of___ inheritance | Sex-Linked |
| The blood types A,B,AB, and O are the result of___inheritance | multiple allelic |
| Cystic fibrosis and Tay-Sachs disease are typical of recessive disorders concentrated in___. | ethnic groups |
| Most human genetic disorders are caused by the expression of___. | recessive alleles |
| What disorder can be detected by karyotyping? | down syndrome |
| A human genetic defect that results in the failure to metabolize the amino acid phenylalanine is___. | phenylketonuria |
| Individuals with Huntington`s Disease___. | undergo progressive deterioration of the nervous system |
| TRUE or FALSE: An individual with a recessive allele for an undesirable trait is called a carrier. | True |
| TRUE or FALSE: In humans there are 23 pairs of matching homologous chromosomes called autosomes. | False |
Created by:
nicholaswilson