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WorksheetsDMD Lesson 5 reading
Total questions: 15
Worksheet time: 8mins
Body cells (hair, skin, brain, bone)
zygote
somatic cells
germline cells
gametes
Cell division that occurs in all body cells
Mitosis
Meiosis
Binary fission
Natural selection
How many TOTAL chromosomes are inside the nucleus of every human cell?
46
23
12
52
How many PAIRS of chromosomes are inside every human cell?
46
23
12
52
Before a baby can be made, and before fertilization can happen, human bodies must make __________.
gametes
genes
somatic cells
meiosis
Egg and sperm cells
Sex chromosomes
Alleles
Gametes
Zygote
Cells that divide to produce gametes
nerve cells
sex cells
somatic cells
germline cells
Cell division that occurs to make sex cells
Meiosis
Mitosis
Binary fission
Homologous chromosomes
The product(s) of meiosis
genome
chromosomes
sex cells
alleles
How many new sex cells are made at the end of meiosis?
4
3
2
1
What is formed when an egg and sperm cell meet?
chromosomes
fertilization
sex cell
zygote
What percent of your chromosomes (genes) come from your mom, and what percent come from your dad?
25% from mom, 75% from dad
75% from mom, 25% from dad
100% from mom, 0% from dad
50% from mom, 50% from dad
How many chromosomes do zygotes inherit from their fathers?
23
46
12
52
How many chromosomes do zygotes inherit from their mothers?
23
46
12
52
The matching chromosomes a person inherits from their mother and father
alleles
homologous chromosomes
sex chromosomes
genome
