Cell Division
Inheritance
Selection
interesting1
Interesting2
100
What are two types of cell division
mitosis and meiosis
100
Which one is heterozygous?
AA, Aa or aa
Aa
100
What is selective breeding?
Selection by human; select individuals with desirable features.
100
What is the smallest room in the world?
mushroom!
100
Give two names of biologist.
200
Which cell division produces haploid gametes?
meiosis
200
Draw a pair of homologous chromosomes and label alleles on them
200
What are the differences between natural selection and selective breeding?
200
What letter is an insect?
B
200
sing two songs which mention tiger.
300
Give three meanings of mitosis
growth; repair; for asexual reproduction
300
Give three examples of inherited diseases
cystic fibrosis, polydactyly, albinism,....
300
Give three reasons why a species becomes endangered, such as polar bear and blue whale.
huaman activity
1. destruction of habitat
2. overhunting
3. pollution
4. climate change
......
300
Luck you! Gain the credits directly
300
find the difference in one min.
watermelon
400
Draw a digram of meisois
400
Why Mendel used pea plants to investigate how inheritance worked, not other plants?
1. pea plants have many observable traits
2.pea plants can produce many pods at the same time.
400
Describe how sheep Dolly was created
400
What is nucleic acid test?
A Nucleic Acid Amplification Test, or NAAT, is a type of viral diagnostic test for SARS-CoV-2, the virus that causes COVID-19. NAATs detect genetic material (nucleic acids). NAATs for SARS-CoV-2 specifically identify the RNA (ribonucleic acid) sequences that comprise the genetic material of the virus.
400
Why are people tired on April Fool's Day?
Because they have just had a long March!
500
Explain why meiosis can cause variation in the daughter cells?
two points should be involved
500
Sometimes the disease allele is found only in the X chromosome.
If _________= coded for abnormal blood clotting in human.
If__________=coded for normal blood clotting in human.
Write down all the possible genotypes and circle the one with diseases
500
Why Charles Darwin's natural selection theory was not accepted by other people at first?
1. religious belief
2. not enough evidence
3. principle of inheritance was not clear that time
500
Pick up one student to ask one question about biology
500
words solitaire, starting with biology, write down 15 words in one minute. All the words should be related to biology.
biology--yeast--