11.1 and 11.2
About this set
Created by:
broussardd on March 21, 2012
Subjects:
Description:
lgayle has the voc.
Classes:
OLQH 7th grade, 7 th grade study buddies, Trojans
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11 terms
Terms | Definitions |
|---|---|
 why do some trights exhibit large number of phenotypes | the traits are controlled by many genes |
| some human traights are contolled by | single gene with two alles, by single genes with multiple alles and by many genes. |
| aaron has a bloodtype o. can either of his parents have bloodtype ab? explain your answer. | no, bloodtype ab has the genotype 1a 1b while bloodtype o was genotype ii so the parents pass it to offspring. |
| ----------is anther human trait that is controlled by many genes. | skin color |
| the ________ carry genes that determine a person's gender as being either male or female. they also carry genes that determine other ______ | sex chromosomes, traits |
| some ______ traits are controlled by single genes with two alleles, and others by single genes with multiple alleles. still other ____ are controlled by many genes that act togther. | human, traits |
| some_______ are caused by mutations in the dna of genes. other ____ are caused by changes in the overall structure or number of _____. | genetic disorders, disorders, chromosomes |
| in case of sex-linked traits, only___ can be carriers because they are only ones who carry two alleles for the trait. | females |
| in females, a dominant allele on an _ chromosome will mask a recessive allele on the other _ chromosome. | x |
| males, there is usually no matching allele on the _ chromosome to mask the allele on the _chromosome. | y |
| today, doctors use tools such as ____,______,and_________ to trace and diagnose genetic disorders. people with _________ are helped through medical care, education, and job training. | pedigrees karyotypes genetic testing genetic disorders |
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