in the small intestine, each villus contains blood capillaries and a small lymphatic capillary called a
What will be an ideal response?
lacteal
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In a Hardy-Weinberg equilibrium, as the frequencies of homozygous genotypes increase, the frequency of the
heterozygous genotype _____. a. doubles b. is reduced by a factor of 10 c. increases linearly d. decreases linearly e. remains the same
_____________________________ is the process by which a parental chromosome is copied and yields 2 new daughter chromosomes.
DNA replication Protein synthesis Transcription Translation Multiplication
Taxol is an anticancer drug extracted from the Pacific yew tree. In animal cells, Taxol disrupts microtubule formation. Surprisingly, this stops mitosis. Specifically, Taxol must affect _____
A) the structure of the mitotic spindle B) anaphase C) formation of the centrioles D) chromatid assembly
In cats, a fur color gene is on the X chromosome. At this locus, cats can have a black allele or an orange allele. Cats who are homozygous for the black allele have black fur, cats who are homozygous for the orange allele have orange fur, and cats who are heterozygous at this locus are tortoiseshell. What offspring would you expect from a cross between an orange female and a black male?
A. tortoiseshell females and orange males B. tortoiseshell females and black males C. orange females and black males D. black females and orange males E. tortoiseshell females and tortoiseshell males