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Flauer [41]
3 years ago
9

Help can be needed please

Biology
1 answer:
Aloiza [94]3 years ago
5 0
Resident praise community leaders for preserving land for a new park
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The failure of sister chromatids to separate properly during cell division
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huh? wait..what?

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What is the most important reason for food handlers to understand and apply food safety knowledge?
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A confounding variable is another variable, other than the independent variable, that
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True

A confounding variable is an “extra” variable that you didn’t account for. They can ruin an experiment and give you useless results. They can suggest there is correlation when in fact there isn’t. They can even introduce bias. That’s why it’s important to know what one is, and how to avoid getting them into your experiment in the first place.

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3 years ago
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Q:- Wing coloration in the magpie moth, a species
Fudgin [204]

Answer:

a) All males will have dark wings, all females will have light wings. See attachment

b) Males - 50:50 dark:light, females, 100% dark wings

Explanation:

The ZW sex determination system is different from the XY sex determination system. Females are ZW, whereas males are ZZ (in contrast to XY system where females have two of the same chromosome [XX] and males have two different ones [XY]).

a) The potential genotypes of the F1 are shown in attachment. This shows that all males will have dark wings (Ll) (all heterozygous) and all females will have light wings (l) (all will inherit l allele from father)

b) The potential genotypes of the F2 are shown in attachment. This shows that 50% of the males will have light wings (Ll), and 50% will have dark wings (ll). All of the females will have dark wings (L).

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A single species that has evolved into several different forms that live in different ways has undergone?. A. adaptive radiation
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It has undergone A. Adaptive radiation.
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