5 Written questions
5 Matching questions
- hybrid vigor
- recessive allele
- chloroplast DNA (cpDNA)
- a A situation in which an F1 is larger or healthier than its two different pure parental lines.
- b An allele whose phenotypic effect is not expressed in a heterozygote.
- c The small genomic component found in the chloroplasts of plants, concerned with photosynthesis and other functions taking place within that organelle.
- d A type of nuclear division (occurring at cell division) that produces two daughter nuclei identical with the parent nucleus.
- e In a human pedigree, the person who first came to the attention of the geneticist.
5 Multiple choice questions
- The location of a gene on a sex chromosome.
- A member of a pair of homologous chromosomes.
- Two homologous chromosomes paired at meiosis.
- The law of independent assortment; unlinked or distantly linked segregating gene pairs assort independently at meiosis.
5 True/False questions
pedigree analysis → The two copies of a particular type of gene present in a diploid cell (one in each chromosome set).
maternal inheritance → A type of uniparental inheritance in which all progeny have the genotype and phenotype of the parent acting as the female.
property → More or less synonymous with phenotype.
forward genetics: → The classical approach to genetic analysis, in which genes are first identified by mutant alleles and mutant phenotypes and later cloned and subjected to molecular analysis.
Y chromosome → One of a pair of sex chromosomes, distinguished from the X chromosome.