Exam (elaborations)
BIOLOGY GENETICS AND HEREDITY QUESTIONS AND ANSWERS
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BIOLOGY GENETICS AND HEREDITY QUESTIONS AND ANSWERS
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Name: Score:82 Multiple choice questions
Definition 1 of 82
When two alleles are both expressed in the heterozygote because neither is dominant over
the other
Sex-linked
Pea plants
Codominance
Dominant
Definition 2 of 82
A genetic cross which examines the inheritance of two separate traits at a time
Synapsis
Simple recessive
Dihybrid cross
Polygenic trait
Definition 3 of 82
Mitosis or meiosis: results in four haploid gametes
Hybrid
Pea plants
Meiosis
Synapsis
,Definition 4 of 82
What did Mendel study to develop the basic laws of genetics
Pea plants
Cross pollination
Meiosis
Homozygous
Definition 5 of 82
Offsprings that are genetically different from both parents
Haploid
Meiosis
Diploid
Hybrid
Definition 6 of 82
What does the egg provide
Pea plants
Cell parts and nutrients
DNA
You are less likely to develop malaria
,Definition 7 of 82
An individuals traits come from two factors from parents
DIFFERENCES
Mitosis:
• 2 daughter cells
• diploid
• 1 division
• all cells except gametes to reproduce
Meiosis:
• 4 daughter cells
• haploid
• 2 division
• only for gametes
SIMILARITIES
• cell division
• make daughter cells
• PMAT occurs
• have spindles during process
• interphase comes before PMAT
Law of segregation
Law of independent assortment
Rule of unit factors
Definition 8 of 82
Mitosis or meiosis: involved in the production of gametes
Apoptosis
Meiosis
Mitosis
Recessive
, Definition 9 of 82
A trait which is determined by the presence of two alleles has this type of inheritance
Polygenic trait
Meiosis
Spermatogenesis
Simple recessive
Definition 10 of 82
Mitosis or meiosis: involves two sets of nuclear divisions
Mitosis
Meiosis
Pea plants
Genotype
Definition 11 of 82
The number of chromosomes in human body cells
Meiosis
Gene
46
23
Definition 12 of 82
Alleles separate when gametes form, only one allele in each gamete
Gregor Mendel
Law of segregation
Monohybrid cross
Cross pollination
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