While looking at a flower in your garden, you notice that it has carpels with very long styles, and stamens with very short filaments. This plant is most likely to reproduce by _____
A) cross-pollination
B) selfing
C) asexual reproduction
A
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Which statement correctly describes autosomal recessive inheritance?
a. Individuals who are heterozygous for the recessive allele display the trait.
b. Individuals who are homozygous for the recessive allele display the trait. c. Individuals who are homozygous for the dominant allele are known as carriers. d. Autosomal alleles are found on the X and Y chromosomes. e. Individuals will never express these traits.
How did the concept of biogeography shape Darwin's thinking?
What will be an ideal response?
The heart wall muscle layer is known as the ____
a. epicardium b. pericardium c. endocardium d. endothelium e. myocardium
How does rhodopsin facilitate vision?
a. When light strikes rhodopsin, the bipolar cells becomes depolarized, causing the release of GABA. b. When light strikes rhodopsin, the photoreceptor becomes depolarized, causing the release of GABA. c. When light strikes rhodopsin, the photoreceptor becomes hyperpolarized, causing the release of GABA. d. When light strikes rhodopsin, the photoreceptor becomes depolarized, causing the release of glutamate. e. When light strikes rhodopsin, the photoreceptor becomes hyperpolarized, causing the release of glutamate.