genetics 0.0 / 5 ? BiologyBiologyOtherAll boards Created by: dakodaCreated on: 27-03-21 08:22 what does DNA stand for? Deoxyribonucleic acid 1 of 43 what structure is DNA? And what structure in RNA? DNA is a double helix structure and RNA is a helix. 2 of 43 Where is DNA found? DNA is found inside the chromosomes that are in the nucleus. 3 of 43 What is DNA made of? DNA is made of phosphate molecule, deoxyribose sugar and nitrogenous bases. 4 of 43 What are the nitrogenous bases in DNA? Guanine, cytosine, adenine and thymine. 5 of 43 What are the nitrogenous bases in RNA? guanine, cytosine, adenine and uracil. 6 of 43 What are the sex chromosomes? X and Y 7 of 43 how many sex chromosomes are there? 2 sex chromosomes 8 of 43 what sex chromosomes make up a female and a male? Female- ** Male- XY 9 of 43 What are autosomes? Autosomes are every chromosome but the sex chromosomes 10 of 43 how many autosomes are there? 44 11 of 43 What is a karyotype? A karyotype shows your chromosomes and their pair. 12 of 43 what are somatic cells? somatic cells are body cells? 13 of 43 are somatic cells Diploid or haploid? Diploid 14 of 43 Are somatic cells created by mitosis or meiosis? Mitosis 15 of 43 how many chromosomes are there in somatic cells? 46 16 of 43 what are gametes? gametes are sex cells. 17 of 43 are gametes haploid or diploid? haploid 18 of 43 are gametes produced by mitosis or meiosis? meiosis 19 of 43 how many chromosomes are in gametes? 23 20 of 43 What are the 2 human gametes? Egg and sperm cells. 21 of 43 what is a zygote a fertilised egg cell 22 of 43 what is diploid? a cell that has 2 or more copies of a chromosome 23 of 43 what is haploid a cell that has 1 copy the chromosome 24 of 43 what is a genotype? Genotype is the alleles an individual has in their genetics? 25 of 43 what is a phenotype? the physical expression of allels 26 of 43 what is an allele? a variation of gene 27 of 43 what is a dominant trait? a dominant trait requires only 1 allele to be present 28 of 43 what is a recessive trait? a recessive trait requires 2 alleles to be present 29 of 43 who is mendal? An Australian monk who studied pea plants 30 of 43 what is complete dominance? Complete dominance happens when 1 trait is completely dominant over the other 31 of 43 what is incomplete dominance? incomplete dominance happens when both alleles are present and blend together. 32 of 43 codominance codominance happens when both alleles are present and they doth show through in patches. 33 of 43 What sex can only provide and Y? male 34 of 43 what is mitosis? mitosis produces somatic cells and diploid cells. 35 of 43 how many divisions does mitosis involve? mitosis involves 1 division 36 of 43 are the daughter cells identical to the parent cell in mitosis? daughter cells are identical to parents cells 37 of 43 what is meiosis? meiosis produces gametes and haploid cells. 38 of 43 how many divisions does meiosis involve? meiosis involves 2 divisions 39 of 43 are daughter cells identical to parents cells in meiosis? Daughter cells are not identical to parents cells 40 of 43 what is a Mutation? a change i the DNA sequence 41 of 43 are mutations harmful? no 42 of 43 What are mutagens? mutagens are what cause mutations. 43 of 43
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