cytop01
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1
Pattern of inheritance involving single genes with dominant and recessive alleles that follow Mendel’s laws?
Mendelian inheritance
2
Rule stating that in a heterozygote the dominant allele masks the recessive allele?
Law of dominance
3
Allele that is expressed phenotypically even when only one copy is present?
Dominant allele
4
Allele that is expressed only when two copies are present?
Recessive allele
5
Study of how traits are passed from parents to offspring through genes described by Gregor Mendel?
Mendelian genetics
6
Segment of DNA that controls a specific trait?
Gene
7
Alternative form of a gene found at the same locus?
Allele
8
Specific physical location of a gene on a chromosome?
Locus
9
Principle stating that allele pairs separate during gamete formation so each gamete carries one allele?
Law of segregation
10
Sex cell that carries one allele for each gene?
Gamete
11
Individual who has one recessive allele but does not show the disease?
Carrier
12
Disorder where one copy of a mutant gene is enough to cause disease?
Autosomal dominant disorder
13
Disorder that appears only when two recessive alleles are inherited?
Autosomal recessive disorder
14
Non-sex chromosome?
Autosome
15
Principle stating that alleles of different genes separate independently during gamete formation?
Law of independent assortment
16
Genes located close together on the same chromosome that tend to be inherited together?
Linked genes
17
Diagram used to predict possible genotypes and phenotypes of offspring?
Punnett square
18
Genetic cross involving one trait?
Monohybrid cross
19
Ratio of different genotypes in offspring?
Genotypic ratio
20
Ratio of observable traits in offspring?
Phenotypic ratio
21
Genetic cross involving two traits?
Dihybrid cross
22
Random distribution of different gene pairs into gametes?
Independent assortment
23
Inheritance patterns that do not follow Mendel’s laws?
Non-Mendelian genetics
24
Pattern of inheritance where the heterozygote shows an intermediate phenotype?
Incomplete dominance
25
Pattern of inheritance where both alleles are fully and equally expressed?
Codominance
26
Traits controlled by genes located on sex chromosomes?
Sex-linked inheritance
27
Inheritance of traits carried on the X chromosome?
X-linked inheritance
28
Condition of having only one copy of a gene, as seen in males for X-linked genes?
Hemizygous
29
Female who carries an X-linked recessive allele without showing symptoms?
Carrier female
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