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ki77a [65]
3 years ago
12

Which part of a moss plant produces spores? A. thin brown stalks B. the sperm

Biology
1 answer:
Gre4nikov [31]3 years ago
5 0

Answer:

The sporophyte stalk, called the seta, bears the sporangium (spore capsule) on its tip. One sporangium may produce up to a million spores.

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Compare neap and spring tides. Give two comparisons in your answer.
Shtirlitz [24]
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3 years ago
The Hardy-Weinberg principle is written as an equation: p2 + pq2 + q2 = 1. What does the q represent?
beks73 [17]

<u>Answer:</u>

The correct answer option is: frequency of the recessive allele.

<u>Explanation:</u>

When there are no mutations, no selective forces, no gene flow, no non-random mating and large population size, the population is said to be in Hardy- Weinberg equilibrium.

When Hardy-Weinberg equilibrium is met, it is written in the form of an equation which is as follows:

p^2+2pq+q^2=1

where p^2 represents the frequency of the homozygous dominant allele, 2pq is the frequency of the heterozygous  allele while q orq^2 represents the frequency of the homozygous recessive allele.

4 0
3 years ago
Ethylene oxide is a highly flammable gas used to sterilize medical equipment. To prevent a fire hazard, ethylene oxide
UNO [17]

Answer:

without sparks or flames.

~+ lil more info +~

Ethylene oxide is a highly flammable gas used to sterilize medical equipment. To prevent a fire hazard, ethylene oxide should only be used in an area: without sparks or flames. ... To prevent a fire hazard, ethylene oxide should only be used in an area: without sparks or flames.

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For science
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4. DNA typing was first described in 1985 by English geneticist
irga5000 [103]

Answer:

2. Alec Jeffreys

Explanation:

'DNA fingerprinting' or DNA typing (profiling) as it is now known, was first described in 1985 by an English geneticist named Alec Jeffreys. Dr. Jeffreys found that certain regions of DNA contained DNA sequences that were repeated over and over again next to each other.

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