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Tems11 [23]
3 years ago
6

What percent of the offspring will be red, if we cross two pink tulips?

Biology
2 answers:
tresset_1 [31]3 years ago
7 0

Answer:

50%

Explanation:

Mrac [35]3 years ago
7 0

Answer:

0%-25% depending on if the tulips are hetero zygous or homo zygous.

Explanation:

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What causes the atrioventricular valves to close during a heartbeat? a Pressure in the atria is higher than in the ventricles. b
max2010maxim [7]

Answer:

The correct answer is -  b Pressure in the atria is lower than in the ventricles.

Explanation:

The atrioventricular valves close when the pressure in the ventricles is more than the pressure in the atria. Which leads to the contraction of the papillary muscles to shut the leaflets of the valves,

When the ventricles relax, atrial pressure exceeds ventricular pressure, the AV valves are pushed open and blood flows into the ventricles. However, when the ventricles contract, ventricular pressure exceeds atrial pressure causing the AV valves to snap shut.

6 0
2 years ago
Why would DNA need to replicate ? Two reasons
-BARSIC- [3]

Answer:

For make more copies.

divide to produce new cells

Explanation:

Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell. The replication process relies on the fact that each strand of DNA can serve as a template for duplication.

5 0
3 years ago
Darla is a crime scene Investigator searching for latent bloodstains. She uses a chemical process that makes blood more visible,
yan [13]

Answer:

C

Explanation:

Leuco Crystal Violet.

6 0
3 years ago
So sorry , i will give whoever does all of these brainlist . :)
Orlov [11]

1. constant speed is a steady speed from start to finish, instantaneous is not constant from start to finish.

2. The average speed of the marble is 5 m/s  (meters per second).

3. Rider 1 will arrive at the destination before Rider 2.

Hope This Helps!  : )

6 0
2 years ago
The number of bones in the appendicular skeleton is
VMariaS [17]

Answer:

E... 126

Explanation:

The appendicular skeleton includes all bones of the upper and lower limbs, plus the bones that attach each limb to the axial skeleton. There are 126 bones in the appendicular skeleton of an adult

5 0
3 years ago
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