Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
BNNS502 pt 2 Questions and Correct
Answers | Latest Update
Functions of the nucleus
Control cellular structure, directs cellular activity, produces ribosomes
How many pairs of chromosomes does the body have
23
2 chromosomes making up a chromosome pair are called
Homologous chromosomes
Allelels are
Alternative versions of a gene
Describe Homozygous vs Heterozygous alleles
Homozygous have identical info for a trait where as heterozygous have
different
What are the 2 types of cell division
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, Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
Somatic and reproductive
What is the aim of somatic cell division
Replace dead or injured cells or add new ones via mitosis and cytokinesis
What s the aim of reproductive cell division
Produce gamete haploid(23 single chromosomes) cells via meiosis
What are the 3 stages of somatic cell division
- Interphase -Mitosis -Cytokinesis
What does Interphase involve
Doubling of genetic material, DNA unzips via enzyme presence
What does Mitosis involve
4 stages in which nucleus/chromosomes divide
What occurs during cytokinesis
Division of cytoplasm to create 2 identical daughter cells
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Describe meiosis I and meiosis II
Meiosis I: 4 Stages that produce 2 genetically different cells
Meiosis: Similar to mitosis (division of cytoplasm)
What is the purpose of crossing over during meiosis I
Genetic variation because of the exchange of genes homologous
chromosomes
What is cancer
The result of uncontrolled or abnormal cell proliferation resulting in excess
tissue called a tumour
Carcinoma cancers arise from
Epithelial tissue
Leukaemia cancer arises from
WBC
Define inheritance
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BNNS502 pt 2 Questions and Correct
Answers | Latest Update
Functions of the nucleus
Control cellular structure, directs cellular activity, produces ribosomes
How many pairs of chromosomes does the body have
23
2 chromosomes making up a chromosome pair are called
Homologous chromosomes
Allelels are
Alternative versions of a gene
Describe Homozygous vs Heterozygous alleles
Homozygous have identical info for a trait where as heterozygous have
different
What are the 2 types of cell division
~ 1 ~ for inquiry mail me @
, Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
Somatic and reproductive
What is the aim of somatic cell division
Replace dead or injured cells or add new ones via mitosis and cytokinesis
What s the aim of reproductive cell division
Produce gamete haploid(23 single chromosomes) cells via meiosis
What are the 3 stages of somatic cell division
- Interphase -Mitosis -Cytokinesis
What does Interphase involve
Doubling of genetic material, DNA unzips via enzyme presence
What does Mitosis involve
4 stages in which nucleus/chromosomes divide
What occurs during cytokinesis
Division of cytoplasm to create 2 identical daughter cells
~ 1 ~ for inquiry mail me @
, Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
Describe meiosis I and meiosis II
Meiosis I: 4 Stages that produce 2 genetically different cells
Meiosis: Similar to mitosis (division of cytoplasm)
What is the purpose of crossing over during meiosis I
Genetic variation because of the exchange of genes homologous
chromosomes
What is cancer
The result of uncontrolled or abnormal cell proliferation resulting in excess
tissue called a tumour
Carcinoma cancers arise from
Epithelial tissue
Leukaemia cancer arises from
WBC
Define inheritance
~ 1 ~ for inquiry mail me @
