science heredity Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
what is heredity? | the passing of traits from parent to offspring |
what is reproduction? | produce other offspring that are similar to the parents |
how many parents are in asexual reproduction? | 1 parent |
how many parents in sexual reproduction? | 2 parents |
what are genes? | a section of DNA molocules that contains the information to see ones spacific protins also carries traits and is located on chromosomes |
how many chrrosomes are in an egg and sperm cell? | 23 chromosomes |
why dont you look exactily like your parents? | because the genes are carried from parents to their offspring on chromosomes and sence you have a combination of both your parents genes you would have a combination of both of them |
can identical twins be differint sexes?why? | no they cant be differint sexes because identical twins develope from teh same egg ferternal twins do not |
how many chromosomes are in the skin cells off your body? | 46 chromosomes |
girls have an XX chromosome. what do boys have? | XY |
what did gregor mendel descover? | heredity or genetics |
what is a dominant allele? | an allele is one whose trait always shows up in the organism when the allele is present |
a plant for instance that carries both a dominamt allele and recieved allelefor a certen trait is called. | a hybrid |
if oneallele is masked by the other allele in the pair the masked allele is called. | a recieved allele |
what is a trait? | a charasteristic that an organism can pass on to the offspring through the genes |
your body weigth and your skin color are two traits thats are? | inherited adn enviorment |
what is meant by purbred? | the two alleles are the same two dominant two recessive |
explain the punett square? | a chart that shows all the possible combinations of alleles that can result fom a gentic cross |
qhat is a phenotype? | an organismes physical appearence or visible traits |
what is a genotype? | an organisms genetic makeup or allele combinations |
what are chromosomes? | theory of inheritence |
what is DNA? | the gentic material that carries information about an organism and is passed fromparents to offspring |
when sex cells combine to produce offspring what will each sex cell contribute? | 23 of half of the chromosomes |
what is a major differince between sexual and asexual contribute? | sexual is with 2 parents and asexual si with 1 parent |
what is the process when a cell makes an exact copy of its self? | mitosis |
what is the process when it reduces its numbers to make a sex cell? | meosis |
in punitt square B represents brown eyes and b represents blue eyes. how many of the four will have brown eyes? | 100% or 4 out of 4 |
where are the human eggs produced? | ovaries |
where is the sperm produced? | testes |
list the levels of cell organization. | cell_ tissue_organ system_organism |
what is the joining of the sperm and egg called? | ferdalization |
Created by:
caroline boudreaux
Popular Science sets