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QR Challenge: Genetics, Meiosis, Evolution

QuestionAnswer
The male sperm cell can carry either of these chromosomesX or Y
The female egg cell can only carry this chromosomeX
A historical sequence of life indicated by fossils found in the many layers of the Earthfossil record
The number of chromosomes in a human body cell46
The sex chromosome combination or genotype that will result in a girlXX
How an organism changes over time is known asevolution
Type of reproduction in which two parent cells must join together to form a new individualsexual reproduction
The egg and the sperm combine during this procesfertilization
When breeders cross genetically different organisms in hopes of producing offspring with the best traits of each organism. Ex. Liger, Yorki-pohybridization
A group of organisms that are able to mate and produce fertile offspringspecies
How sex cells are mademeiosis
A remnant or trace of an organisms that was once alive is known as afossil
The new cell that is formed after the egg and sperm combine is called azygote
Organelle where DNA is found inside of a eukaryotic cellnucleus
When scientists remove a bit of genetic material from one organism and insert it into anothergenetic engineering
Type of reproduction in which only one parent cell is needed to make an offspringasexuall reproduction
A characteristic that helps an organism survive in its environment and reproducadaptation
The sex chromosome combination or genotype that will result in a boyXY
The number of chromosomes in a human sex cell23
When scientists take genetic info from an organism and make an exact copy of that organism. Ex. Dolly the sheepcloning
The number of chromosomes in a human body cell46

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