Biology, 10.03.2020 01:26 lhecker007
2. In cucumbers, heart-shaped leaves (h) are recessive to normal leaves (H) and fruit spines (n) are recessive to no fruit spines (N). The genes encoding leaf shape and presence of fruit spines are located on the same chromosome 25 m. u. apart. A plant with heart-shaped leaves and fruit spines is crossed with a plant homozygous for normal leaves and no fruit spines. The F1 are testcrossed with plant with heart-shaped leaves and fruit spines. Of 1000 offspring, what would be the expected phenotypes and in what numbers would they be expected
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Biology, 21.06.2019 16:30
Amutagen is 1: a living thing that has undergone a mutation. 2: an agent that causes a mutation in dna. 3: a mutation that has affected one gene. 4: a chemical that can poison living cells.
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Biology, 21.06.2019 20:00
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Biology, 22.06.2019 00:00
Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
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2. In cucumbers, heart-shaped leaves (h) are recessive to normal leaves (H) and fruit spines (n) are...
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