AP Bio Chapter 13 - Vocab

Created by Nikki 

Upgrade to
remove ads

some of the vocabulary is in the middle of the sentence, shown by ______. If there is more than one vocab word in a sentence, write your first word, put ; then a space, then your next word

heredity

the transmission of traits from one generation to another is called inheritance, or ______

variation

offspring differ somewhat in appearance from parents and siblings

genetics

______ is the scientific study of heredity and hereditary variation

genes

parents give their offspring encoded information in the form of hereditary units called ______

locus

a gene's specific location along the length of a chromosome is called the gene's _____

asexual reproduction

in _____ _________, a single individual is the sole parent and passes copies of all its genes to its offspring

clone

an individual that reproduces asexually gives rise to a _____, a group of genetically identical individuals

sexual reproduction

in _______ _________, two parents give rise to offspring that have unique combos of genes inherited from the parents

life cycle

a ____ ______ is the genereation-to-generation sequence of stages in the reproductive history of an organism, from conception to production of its own offspring

somatic cell

in humans, each ____ ______ (any cell except gametes) has 46 chromosomes

sex chromosomes; autosomes

X and Y chromosomes are ___ _________. the other chromosomes are called _______

diploid cell

any cell with two chromosomes is called a _____ _____

haploid cells

gametes contain a single chromosome set; they are _____ ______

fertilization

the union of gametes is called __________

zygote

the resulting fertilized egg, or ______, is diploid because it contains two haploid sets of chromosomes bearing genes representing the maternal and paternal family lines

meiosis

the hypothetical situation of constantly increasing chromosome number is sexually reproducing organisms is avoided through the process of ________

alternation of generations

plants and osme species of algae exhibit a second type of life cycle called _______ __ _________

sporophyte

the multicellular diploid stage is called _________

spores

meiosis in the sporophyte produces haploid cells called _________

gametophyte

a spore divides mitotically to generate a multicellular haploid stage called the __________

recombinant chromosomes

crossing over produces ________ __________, individual chromosomes that carry genes (DNA) derived from two different parents

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set