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ziro4ka [17]
3 years ago
7

If an f1 plant is backcrossed to one of the pure-breeding parental plants, what is the expected ratio of phenotypes among progen

y?
Biology
1 answer:
Ad libitum [116K]3 years ago
5 0
C. F1 generation is all Yy (let Y be yellow and y be green). Y is dominant to y. The F2 could be YY, Yy, Yy, or yy.        3:1
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Explain why scientists rejected Lamarck’s ideas about evolution. What is an example that they might have used in their argument
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This is one argument against Lamarck's ideas.
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Please help for brainliest and 20 points.
Morgarella [4.7K]

18. <em>Penny</em>: Used to measure mineral toughness; <em>Cuprum</em> penny's toughness is 3.

<em>Hand Lens</em>: Could be used to measure the hardness of the mineral; the glass can be used as a scratch platform; it can also be used to test the luster of the mineral tile; the mineral is rubbed in the glass portion of the tile and a powdery strike of the stone is given to distinguish the colour of the rock.

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6 0
3 years ago
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Tresset [83]
Answer is A Sunlight because the grass are staying in the shade which they’re not getting sun light
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3 years ago
Pllzzz answer will give brainlist !!!!! ignore the one points thingys sry1. How old is the moon? (1 point)
slavikrds [6]

Explanation:

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3 years ago
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