Sandra is heterozygous for eye shape. help What does this mean?

She has two of the same alleles for eye shape, one from each parent.
She has two different alleles for eye shape, one from each parent.
She has only one allele for eye shape, which she received from one parent.
She has two alleles for eye shape, both from the same parent.

Why did students gather in tiananmen square on june 4, 1989? on june 4, 1989, students gathered in tiananmen square to mourn the death of the pro-reform leader

Read the passage below. which of these statements describes the problem with including this passage as part of an explanatory essay? passage: the neolithic revolution changed everything for humans. before the n.r., you couldn't even plant food. i know you want to hear more, don't even deny it! o a. the tone is too dull and does not include a hook to keep the reader interested. o b. the tone is too objective and does not show the author's opinion. o c. the tone is too transitional and does not stay focused on one topic. o d. the tone is too informal and does not use appropriate vocabulary. surmit

Item 14 which statement is an accurate description of the transatlantic slave trade? africans were brought to the americas in a three-part system of triangular trade. slaves went from europe to africa, and then to the americas in a circle of trade. native american slaves were sent to europe in exchange for sugar and molasses. africans traded tobacco and furs for captured arabs whom they sold into slavery.