Genetics Review. Question # 1 These are sections of chromosomes that code for a trait. A gene.

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Presentation transcript:

Genetics Review

Question # 1 These are sections of chromosomes that code for a trait. A gene

Question # 2 This is a characteristic that can be passed from parent to offspring. Trait

Question # 3 Failure of chromosomes to separate during cell division is called what? Nondisjunction

Question # 4 This is when a zygote has only 1 copy of a chromosome instead of 2. Monosomy

Question # 5 The genetic make-up of an organism is called what? Genotype

Question # 6 This type of allele in not fully expressed when paired with a dominant allele. A recessive.

Question # 7 What do you call two alleles in a gene pair that are identical? Homozygous

Question # 8 What do you call an organism that receives different forms of a genetic trait from each parent? Hybrid

Question # 9 Mendel called his first generation of offspring this? First filial

Question # 10 What do you call it when two different alleles for the same trait combine, but neither allele wins expression? Incomplete Dominance

Question # 11 Type AB blood is an example of this? Codominance

Question # 12 What do you call an organism that has two different alleles for a trait? Heterozygous

Question # 13 What are non-sex chromosomes called? Autosomes

Question # 14 Hemophilia in humans is what type of trait? Sex-linked recessive

Question # 15 What do we call the presence of more than 2 alleles for a gene? Multiple alleles

Question # 16 What do you call a person that is heterozygous for a particular trait? A carrier

Question # 17 What do you call a cross made to study a single trait? Monohybrid cross