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--