What are two types of cell division
mitosis and meiosis
Which one is heterozygous?
AA, Aa or aa
Aa
What is selective breeding?
Selection by human; select individuals with desirable features.
What is the smallest room in the world?
mushroom!
Give two names of biologist.
Which cell division produces haploid gametes?
meiosis
Draw a pair of homologous chromosomes and label alleles on them
What are the differences between natural selection and selective breeding?
What letter is an insect?
B
sing two songs which mention tiger.
Give three meanings of mitosis
growth; repair; for asexual reproduction
Give three examples of inherited diseases
cystic fibrosis, polydactyly, albinism,....
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
......
find the difference in one min.
watermelon
Draw a digram of meisois
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.
Describe how sheep Dolly was created
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.
Why are people tired on April Fool's Day?
Because they have just had a long March!
Explain why meiosis can cause variation in the daughter cells?
two points should be involved
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
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
Pick up one student to ask one question about biology
words solitaire, starting with biology, write down 15 words in one minute. All the words should be related to biology.
biology--yeast--